The profit or loss earned by a representative firm when demand is D1.

Question

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Answer 1

Question

Chapter 9, Problem 3.6P

(a)

To determine

The profit or loss earned by a representative firm when demand is D1.

(a)

Expert Solution

Explanation of Solution

Given information:

The price is $25, the quantity produced is 600, and the average total cost is $15.

The total revenue can be calculated using Equation (1) as follows:

Total revenue=Price×Quantity (1)

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=25×600=15,000

The total revenue is $15,000.

The total cost can be calculated using Equation (2) as follows:

Total cost=Average total cost×Quantity (2)

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=15×600=9,000

The total cost is $9,000.

The profit or loss earned by a firm is the difference between the total revenue and total cost. The profit or loss of a firm can be calculated using Equation (3) as follows:

Profit/Loss=Total revenue−Total cost (3)

Substitute the respective values in Equation (3) to calculate the profit.

Profit=15,000−9,000=6,000

The profit of the firm is $6,000.

Figure 1 shows the profit earned by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 1

The horizontal axis of Figure 1 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The profit maximizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the profit earned by the firm. The profit can also be calculated as the area of the shaded rectangular region.

Figure 1 reveals that the equilibrium price per unit is $25, equilibrium quantity is 600 units, and the cost per unit is $15. Thus, profit can be calculated as follows:

Profit=(Price−Cost)×Quantity=(25−15)×600=10×600=6,000

Thus, the profit of the firm is $6,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Profit: Profit is defined as the excess revenue earned over the total cost of production.

(b)

To determine

The profit or loss earned by a representative firm when demand is D2.

(b)

Expert Solution

Explanation of Solution

Given information:

The price is $15, the quantity produced is 400, and the average total cost is $18.

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=15×400=6,000

The total revenue is $6,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=18×400=7,200

The total cost is $7,200.

Substitute the respective values in Equation (3) to calculate the profit.

Profit=6,000−7,200=−1,200

The loss of the firm is $1,200.

Figure 2 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 2

The horizontal axis of Figure 2 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The loss minimizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 2 reveals that the equilibrium price per unit is $15, equilibrium quantity is 400 units, and the cost per unit is $18. Thus, loss can be calculated as follows:

(Price−Cost)×Quantity=(15−18)×400=−3×400=−1,200

Thus, the loss incurred is $1,200.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

(c)

To determine

The profit or loss earned by a representative firm when demand is D3.

(c)

Expert Solution

Explanation of Solution

Given information:

The price is $10, the quantity produced is 300, the average total cost is $21, and the average variable cost is $11..

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=10×300=3,000

The total revenue is $3,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=21×300=6,300

The total cost is $6,300.

Since the price is less than the average variable cost, the firm would better shutdown.

The loss of the firm is the total fixed cost of the firm. The total fixed cost can be calculated as follows:

Total fixed cost=(Average total cost−Average variable cost)×Quantity=(21−11)×300=3,000

The total fixed cost or the loss of the firm is $3,000.

Figure 3 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 3

The horizontal axis of Figure 3 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. It is evident that the marginal revenue curve is below the average variable cost curve. This loss if the fixed cost of the firm. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 3 reveals that equilibrium price is $11, equilibrium quantity is 300 units, and the cost per unit is $21. Thus, loss can be calculated as follows:

Profit=(Price−Cost)×Quantity=(11−21)×300=−10×300=−3,000

Thus, the loss incurred is $3,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Fixed cost: Fixed cost is defined as the cost that is independent of the level of output or production of a firm.

Variable cost: Variable cost is defined as the cost that depends on the level of production or output of a firm.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

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Answer 2

Question

Chapter 9, Problem 3.6P

(a)

To determine

The profit or loss earned by a representative firm when demand is D1.

(a)

Expert Solution

Explanation of Solution

Given information:

The price is $25, the quantity produced is 600, and the average total cost is $15.

The total revenue can be calculated using Equation (1) as follows:

Total revenue=Price×Quantity (1)

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=25×600=15,000

The total revenue is $15,000.

The total cost can be calculated using Equation (2) as follows:

Total cost=Average total cost×Quantity (2)

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=15×600=9,000

The total cost is $9,000.

The profit or loss earned by a firm is the difference between the total revenue and total cost. The profit or loss of a firm can be calculated using Equation (3) as follows:

Profit/Loss=Total revenue−Total cost (3)

Substitute the respective values in Equation (3) to calculate the profit.

Profit=15,000−9,000=6,000

The profit of the firm is $6,000.

Figure 1 shows the profit earned by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 1

The horizontal axis of Figure 1 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The profit maximizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the profit earned by the firm. The profit can also be calculated as the area of the shaded rectangular region.

Figure 1 reveals that the equilibrium price per unit is $25, equilibrium quantity is 600 units, and the cost per unit is $15. Thus, profit can be calculated as follows:

Profit=(Price−Cost)×Quantity=(25−15)×600=10×600=6,000

Thus, the profit of the firm is $6,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Profit: Profit is defined as the excess revenue earned over the total cost of production.

(b)

To determine

The profit or loss earned by a representative firm when demand is D2.

(b)

Expert Solution

Explanation of Solution

Given information:

The price is $15, the quantity produced is 400, and the average total cost is $18.

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=15×400=6,000

The total revenue is $6,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=18×400=7,200

The total cost is $7,200.

Substitute the respective values in Equation (3) to calculate the profit.

Profit=6,000−7,200=−1,200

The loss of the firm is $1,200.

Figure 2 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 2

The horizontal axis of Figure 2 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The loss minimizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 2 reveals that the equilibrium price per unit is $15, equilibrium quantity is 400 units, and the cost per unit is $18. Thus, loss can be calculated as follows:

(Price−Cost)×Quantity=(15−18)×400=−3×400=−1,200

Thus, the loss incurred is $1,200.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

(c)

To determine

The profit or loss earned by a representative firm when demand is D3.

(c)

Expert Solution

Explanation of Solution

Given information:

The price is $10, the quantity produced is 300, the average total cost is $21, and the average variable cost is $11..

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=10×300=3,000

The total revenue is $3,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=21×300=6,300

The total cost is $6,300.

Since the price is less than the average variable cost, the firm would better shutdown.

The loss of the firm is the total fixed cost of the firm. The total fixed cost can be calculated as follows:

Total fixed cost=(Average total cost−Average variable cost)×Quantity=(21−11)×300=3,000

The total fixed cost or the loss of the firm is $3,000.

Figure 3 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 3

The horizontal axis of Figure 3 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. It is evident that the marginal revenue curve is below the average variable cost curve. This loss if the fixed cost of the firm. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 3 reveals that equilibrium price is $11, equilibrium quantity is 300 units, and the cost per unit is $21. Thus, loss can be calculated as follows:

Profit=(Price−Cost)×Quantity=(11−21)×300=−10×300=−3,000

Thus, the loss incurred is $3,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Fixed cost: Fixed cost is defined as the cost that is independent of the level of output or production of a firm.

Variable cost: Variable cost is defined as the cost that depends on the level of production or output of a firm.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

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Answer 3

Question

Chapter 9, Problem 3.6P

(a)

To determine

The profit or loss earned by a representative firm when demand is D1.

(a)

Expert Solution

Explanation of Solution

Given information:

The price is $25, the quantity produced is 600, and the average total cost is $15.

The total revenue can be calculated using Equation (1) as follows:

Total revenue=Price×Quantity (1)

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=25×600=15,000

The total revenue is $15,000.

The total cost can be calculated using Equation (2) as follows:

Total cost=Average total cost×Quantity (2)

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=15×600=9,000

The total cost is $9,000.

The profit or loss earned by a firm is the difference between the total revenue and total cost. The profit or loss of a firm can be calculated using Equation (3) as follows:

Profit/Loss=Total revenue−Total cost (3)

Substitute the respective values in Equation (3) to calculate the profit.

Profit=15,000−9,000=6,000

The profit of the firm is $6,000.

Figure 1 shows the profit earned by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 1

The horizontal axis of Figure 1 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The profit maximizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the profit earned by the firm. The profit can also be calculated as the area of the shaded rectangular region.

Figure 1 reveals that the equilibrium price per unit is $25, equilibrium quantity is 600 units, and the cost per unit is $15. Thus, profit can be calculated as follows:

Profit=(Price−Cost)×Quantity=(25−15)×600=10×600=6,000

Thus, the profit of the firm is $6,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Profit: Profit is defined as the excess revenue earned over the total cost of production.

(b)

To determine

The profit or loss earned by a representative firm when demand is D2.

(b)

Expert Solution

Explanation of Solution

Given information:

The price is $15, the quantity produced is 400, and the average total cost is $18.

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=15×400=6,000

The total revenue is $6,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=18×400=7,200

The total cost is $7,200.

Substitute the respective values in Equation (3) to calculate the profit.

Profit=6,000−7,200=−1,200

The loss of the firm is $1,200.

Figure 2 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 2

The horizontal axis of Figure 2 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The loss minimizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 2 reveals that the equilibrium price per unit is $15, equilibrium quantity is 400 units, and the cost per unit is $18. Thus, loss can be calculated as follows:

(Price−Cost)×Quantity=(15−18)×400=−3×400=−1,200

Thus, the loss incurred is $1,200.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

(c)

To determine

The profit or loss earned by a representative firm when demand is D3.

(c)

Expert Solution

Explanation of Solution

Given information:

The price is $10, the quantity produced is 300, the average total cost is $21, and the average variable cost is $11..

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=10×300=3,000

The total revenue is $3,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=21×300=6,300

The total cost is $6,300.

Since the price is less than the average variable cost, the firm would better shutdown.

The loss of the firm is the total fixed cost of the firm. The total fixed cost can be calculated as follows:

Total fixed cost=(Average total cost−Average variable cost)×Quantity=(21−11)×300=3,000

The total fixed cost or the loss of the firm is $3,000.

Figure 3 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 3

The horizontal axis of Figure 3 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. It is evident that the marginal revenue curve is below the average variable cost curve. This loss if the fixed cost of the firm. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 3 reveals that equilibrium price is $11, equilibrium quantity is 300 units, and the cost per unit is $21. Thus, loss can be calculated as follows:

Profit=(Price−Cost)×Quantity=(11−21)×300=−10×300=−3,000

Thus, the loss incurred is $3,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Fixed cost: Fixed cost is defined as the cost that is independent of the level of output or production of a firm.

Variable cost: Variable cost is defined as the cost that depends on the level of production or output of a firm.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 9, Problem 3.6P

(a)

To determine

The profit or loss earned by a representative firm when demand is D1.

(a)

Expert Solution

Explanation of Solution

Given information:

The price is $25, the quantity produced is 600, and the average total cost is $15.

The total revenue can be calculated using Equation (1) as follows:

Total revenue=Price×Quantity (1)

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=25×600=15,000

The total revenue is $15,000.

The total cost can be calculated using Equation (2) as follows:

Total cost=Average total cost×Quantity (2)

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=15×600=9,000

The total cost is $9,000.

The profit or loss earned by a firm is the difference between the total revenue and total cost. The profit or loss of a firm can be calculated using Equation (3) as follows:

Profit/Loss=Total revenue−Total cost (3)

Substitute the respective values in Equation (3) to calculate the profit.

Profit=15,000−9,000=6,000

The profit of the firm is $6,000.

Figure 1 shows the profit earned by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 1

The horizontal axis of Figure 1 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The profit maximizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the profit earned by the firm. The profit can also be calculated as the area of the shaded rectangular region.

Figure 1 reveals that the equilibrium price per unit is $25, equilibrium quantity is 600 units, and the cost per unit is $15. Thus, profit can be calculated as follows:

Profit=(Price−Cost)×Quantity=(25−15)×600=10×600=6,000

Thus, the profit of the firm is $6,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Profit: Profit is defined as the excess revenue earned over the total cost of production.

(b)

To determine

The profit or loss earned by a representative firm when demand is D2.

(b)

Expert Solution

Explanation of Solution

Given information:

The price is $15, the quantity produced is 400, and the average total cost is $18.

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=15×400=6,000

The total revenue is $6,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=18×400=7,200

The total cost is $7,200.

Substitute the respective values in Equation (3) to calculate the profit.

Profit=6,000−7,200=−1,200

The loss of the firm is $1,200.

Figure 2 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 2

The horizontal axis of Figure 2 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The loss minimizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 2 reveals that the equilibrium price per unit is $15, equilibrium quantity is 400 units, and the cost per unit is $18. Thus, loss can be calculated as follows:

(Price−Cost)×Quantity=(15−18)×400=−3×400=−1,200

Thus, the loss incurred is $1,200.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

(c)

To determine

The profit or loss earned by a representative firm when demand is D3.

(c)

Expert Solution

Explanation of Solution

Given information:

The price is $10, the quantity produced is 300, the average total cost is $21, and the average variable cost is $11..

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=10×300=3,000

The total revenue is $3,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=21×300=6,300

The total cost is $6,300.

Since the price is less than the average variable cost, the firm would better shutdown.

The loss of the firm is the total fixed cost of the firm. The total fixed cost can be calculated as follows:

Total fixed cost=(Average total cost−Average variable cost)×Quantity=(21−11)×300=3,000

The total fixed cost or the loss of the firm is $3,000.

Figure 3 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 3

The horizontal axis of Figure 3 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. It is evident that the marginal revenue curve is below the average variable cost curve. This loss if the fixed cost of the firm. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 3 reveals that equilibrium price is $11, equilibrium quantity is 300 units, and the cost per unit is $21. Thus, loss can be calculated as follows:

Profit=(Price−Cost)×Quantity=(11−21)×300=−10×300=−3,000

Thus, the loss incurred is $3,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Fixed cost: Fixed cost is defined as the cost that is independent of the level of output or production of a firm.

Variable cost: Variable cost is defined as the cost that depends on the level of production or output of a firm.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 9, Problem 3.6P

(a)

To determine

The profit or loss earned by a representative firm when demand is D1.

(a)

Expert Solution

Explanation of Solution

Given information:

The price is $25, the quantity produced is 600, and the average total cost is $15.

The total revenue can be calculated using Equation (1) as follows:

Total revenue=Price×Quantity (1)

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=25×600=15,000

The total revenue is $15,000.

The total cost can be calculated using Equation (2) as follows:

Total cost=Average total cost×Quantity (2)

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=15×600=9,000

The total cost is $9,000.

The profit or loss earned by a firm is the difference between the total revenue and total cost. The profit or loss of a firm can be calculated using Equation (3) as follows:

Profit/Loss=Total revenue−Total cost (3)

Substitute the respective values in Equation (3) to calculate the profit.

Profit=15,000−9,000=6,000

The profit of the firm is $6,000.

Figure 1 shows the profit earned by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 1

The horizontal axis of Figure 1 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The profit maximizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the profit earned by the firm. The profit can also be calculated as the area of the shaded rectangular region.

Figure 1 reveals that the equilibrium price per unit is $25, equilibrium quantity is 600 units, and the cost per unit is $15. Thus, profit can be calculated as follows:

Profit=(Price−Cost)×Quantity=(25−15)×600=10×600=6,000

Thus, the profit of the firm is $6,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Profit: Profit is defined as the excess revenue earned over the total cost of production.

(b)

To determine

The profit or loss earned by a representative firm when demand is D2.

(b)

Expert Solution

Explanation of Solution

Given information:

The price is $15, the quantity produced is 400, and the average total cost is $18.

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=15×400=6,000

The total revenue is $6,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=18×400=7,200

The total cost is $7,200.

Substitute the respective values in Equation (3) to calculate the profit.

Profit=6,000−7,200=−1,200

The loss of the firm is $1,200.

Figure 2 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 2

The horizontal axis of Figure 2 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The loss minimizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 2 reveals that the equilibrium price per unit is $15, equilibrium quantity is 400 units, and the cost per unit is $18. Thus, loss can be calculated as follows:

(Price−Cost)×Quantity=(15−18)×400=−3×400=−1,200

Thus, the loss incurred is $1,200.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

(c)

To determine

The profit or loss earned by a representative firm when demand is D3.

(c)

Expert Solution

Explanation of Solution

Given information:

The price is $10, the quantity produced is 300, the average total cost is $21, and the average variable cost is $11..

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=10×300=3,000

The total revenue is $3,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=21×300=6,300

The total cost is $6,300.

Since the price is less than the average variable cost, the firm would better shutdown.

The loss of the firm is the total fixed cost of the firm. The total fixed cost can be calculated as follows:

Total fixed cost=(Average total cost−Average variable cost)×Quantity=(21−11)×300=3,000

The total fixed cost or the loss of the firm is $3,000.

Figure 3 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 3

The horizontal axis of Figure 3 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. It is evident that the marginal revenue curve is below the average variable cost curve. This loss if the fixed cost of the firm. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 3 reveals that equilibrium price is $11, equilibrium quantity is 300 units, and the cost per unit is $21. Thus, loss can be calculated as follows:

Profit=(Price−Cost)×Quantity=(11−21)×300=−10×300=−3,000

Thus, the loss incurred is $3,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Fixed cost: Fixed cost is defined as the cost that is independent of the level of output or production of a firm.

Variable cost: Variable cost is defined as the cost that depends on the level of production or output of a firm.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

Answer 6

Chapter 9, Problem 3.6P

(a)

To determine

The profit or loss earned by a representative firm when demand is D1.

(a)

Expert Solution

Explanation of Solution

Given information:

The price is $25, the quantity produced is 600, and the average total cost is $15.

The total revenue can be calculated using Equation (1) as follows:

Total revenue=Price×Quantity (1)

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=25×600=15,000

The total revenue is $15,000.

The total cost can be calculated using Equation (2) as follows:

Total cost=Average total cost×Quantity (2)

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=15×600=9,000

The total cost is $9,000.

The profit or loss earned by a firm is the difference between the total revenue and total cost. The profit or loss of a firm can be calculated using Equation (3) as follows:

Profit/Loss=Total revenue−Total cost (3)

Substitute the respective values in Equation (3) to calculate the profit.

Profit=15,000−9,000=6,000

The profit of the firm is $6,000.

Figure 1 shows the profit earned by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 1

The horizontal axis of Figure 1 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The profit maximizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the profit earned by the firm. The profit can also be calculated as the area of the shaded rectangular region.

Figure 1 reveals that the equilibrium price per unit is $25, equilibrium quantity is 600 units, and the cost per unit is $15. Thus, profit can be calculated as follows:

Profit=(Price−Cost)×Quantity=(25−15)×600=10×600=6,000

Thus, the profit of the firm is $6,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Profit: Profit is defined as the excess revenue earned over the total cost of production.

Answer 7

Chapter 9, Problem 3.6P

(a)

To determine

The profit or loss earned by a representative firm when demand is D1.

Answer 8

(a)

Expert Solution

Explanation of Solution

Given information:

The price is $25, the quantity produced is 600, and the average total cost is $15.

The total revenue can be calculated using Equation (1) as follows:

Total revenue=Price×Quantity (1)

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=25×600=15,000

The total revenue is $15,000.

The total cost can be calculated using Equation (2) as follows:

Total cost=Average total cost×Quantity (2)

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=15×600=9,000

The total cost is $9,000.

The profit or loss earned by a firm is the difference between the total revenue and total cost. The profit or loss of a firm can be calculated using Equation (3) as follows:

Profit/Loss=Total revenue−Total cost (3)

Substitute the respective values in Equation (3) to calculate the profit.

Profit=15,000−9,000=6,000

The profit of the firm is $6,000.

Figure 1 shows the profit earned by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 1

The horizontal axis of Figure 1 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The profit maximizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the profit earned by the firm. The profit can also be calculated as the area of the shaded rectangular region.

Figure 1 reveals that the equilibrium price per unit is $25, equilibrium quantity is 600 units, and the cost per unit is $15. Thus, profit can be calculated as follows:

Profit=(Price−Cost)×Quantity=(25−15)×600=10×600=6,000

Thus, the profit of the firm is $6,000.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Profit: Profit is defined as the excess revenue earned over the total cost of production.

Answer 13

(b)

To determine

The profit or loss earned by a representative firm when demand is D2.

(b)

Expert Solution

Explanation of Solution

Given information:

The price is $15, the quantity produced is 400, and the average total cost is $18.

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=15×400=6,000

The total revenue is $6,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=18×400=7,200

The total cost is $7,200.

Substitute the respective values in Equation (3) to calculate the profit.

Profit=6,000−7,200=−1,200

The loss of the firm is $1,200.

Figure 2 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 2

The horizontal axis of Figure 2 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The loss minimizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 2 reveals that the equilibrium price per unit is $15, equilibrium quantity is 400 units, and the cost per unit is $18. Thus, loss can be calculated as follows:

(Price−Cost)×Quantity=(15−18)×400=−3×400=−1,200

Thus, the loss incurred is $1,200.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

Answer 14

(b)

To determine

The profit or loss earned by a representative firm when demand is D2.

Answer 15

(b)

Expert Solution

Explanation of Solution

Given information:

The price is $15, the quantity produced is 400, and the average total cost is $18.

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=15×400=6,000

The total revenue is $6,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=18×400=7,200

The total cost is $7,200.

Substitute the respective values in Equation (3) to calculate the profit.

Profit=6,000−7,200=−1,200

The loss of the firm is $1,200.

Figure 2 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 2

The horizontal axis of Figure 2 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. The loss minimizing output is produced at the point E, where the marginal revenue and marginal cost curves intersect. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 2 reveals that the equilibrium price per unit is $15, equilibrium quantity is 400 units, and the cost per unit is $18. Thus, loss can be calculated as follows:

(Price−Cost)×Quantity=(15−18)×400=−3×400=−1,200

Thus, the loss incurred is $1,200.

Answer 16

(b)

Expert Solution

Answer 17

(b)

Expert Solution

Answer 18

Expert Solution

Answer 19

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Total revenue: Total revenue is defined as the total income earned from the sale of output produced.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

Answer 20

(c)

To determine

The profit or loss earned by a representative firm when demand is D3.

(c)

Expert Solution

Explanation of Solution

Given information:

The price is $10, the quantity produced is 300, the average total cost is $21, and the average variable cost is $11..

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=10×300=3,000

The total revenue is $3,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=21×300=6,300

The total cost is $6,300.

Since the price is less than the average variable cost, the firm would better shutdown.

The loss of the firm is the total fixed cost of the firm. The total fixed cost can be calculated as follows:

Total fixed cost=(Average total cost−Average variable cost)×Quantity=(21−11)×300=3,000

The total fixed cost or the loss of the firm is $3,000.

Figure 3 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 3

The horizontal axis of Figure 3 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. It is evident that the marginal revenue curve is below the average variable cost curve. This loss if the fixed cost of the firm. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 3 reveals that equilibrium price is $11, equilibrium quantity is 300 units, and the cost per unit is $21. Thus, loss can be calculated as follows:

Profit=(Price−Cost)×Quantity=(11−21)×300=−10×300=−3,000

Thus, the loss incurred is $3,000.

Economics Concept Introduction

Total cost: Total cost is defined as the sum of fixed cost and variable cost.

Fixed cost: Fixed cost is defined as the cost that is independent of the level of output or production of a firm.

Variable cost: Variable cost is defined as the cost that depends on the level of production or output of a firm.

Loss: Loss is defined as the excess cost incurred over the total revenue earned.

Answer 21

(c)

To determine

The profit or loss earned by a representative firm when demand is D3.

Answer 22

(c)

Expert Solution

Explanation of Solution

Given information:

The price is $10, the quantity produced is 300, the average total cost is $21, and the average variable cost is $11..

Substitute the respective values in Equation (1) to calculate the total revenue.

Total revenue=10×300=3,000

The total revenue is $3,000.

Substitute the respective values in Equation (2) to calculate the total cost.

Total cost=21×300=6,300

The total cost is $6,300.

Since the price is less than the average variable cost, the firm would better shutdown.

The loss of the firm is the total fixed cost of the firm. The total fixed cost can be calculated as follows:

Total fixed cost=(Average total cost−Average variable cost)×Quantity=(21−11)×300=3,000

The total fixed cost or the loss of the firm is $3,000.

Figure 3 shows the loss incurred by the representative firm.

Principles Of Microeconomics, Chapter 9, Problem 3.6P , additional homework tip 3

The horizontal axis of Figure 3 measures the quantity of output, and the vertical axis measures the price. The average variable cost curve, average total cost curve, and the marginal cost curve are plotted using the given information. The marginal revenue curve is the same as the demand curve, and the price line as the firm is perfectly competitive. It is evident that the marginal revenue curve is below the average variable cost curve. This loss if the fixed cost of the firm. The shaded region in the graph represents the loss incurred by the firm. The loss can also be calculated as the area of the shaded rectangular region.

Figure 3 reveals that equilibrium price is $11, equilibrium quantity is 300 units, and the cost per unit is $21. Thus, loss can be calculated as follows:

Profit=(Price−Cost)×Quantity=(11−21)×300=−10×300=−3,000