The graph shown displays the cost and revenue curves associated with a monopolistically competitive firm 18 17 16 18 17 16 15 14 H3NHOS SAN. 13 12 11 10 S 9 8 7 6 5 4 1 57050708550 MC MR ATC D 5582895% Quantity At profit maximizing output level, how much profit does this firm earn? 1. $250 2. $200 3. $360 4. $450

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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The graph illustrates the cost and revenue curves associated with a monopolistically competitive firm. The key curves depicted are:

- **MC (Marginal Cost)**: This curve is typically U-shaped, reflecting increasing then decreasing returns.
- **ATC (Average Total Cost)**: Also U-shaped due to similar cost behaviors as MC.
- **D (Demand)**: Downward-sloping, indicating a negative relationship between price and quantity demanded.
- **MR (Marginal Revenue)**: Lies below the demand curve, indicating that the firm must lower prices to sell additional units.

**Graph Explanation:**

- **Y-axis (S)**: Represents price and cost.
- **X-axis (Quantity)**: Represents the quantity of output.

**Equilibrium and Profit Calculation:**

At the profit-maximizing output level, firms equate MR and MC. The intersection of MR and MC indicates the quantity of output that maximizes profit. 

To find the profit:
1. Identify the quantity where MR = MC.
2. Determine the price from the demand curve at that quantity.
3. Calculate the total revenue (Price × Quantity).
4. Determine the average total cost at that output level and find total cost (ATC × Quantity).
5. Profit is Total Revenue - Total Cost.

**Question:** At profit-maximizing output level, how much profit does this firm earn?

1. $250
2. $200
3. $360
4. $450
Transcribed Image Text:The graph illustrates the cost and revenue curves associated with a monopolistically competitive firm. The key curves depicted are: - **MC (Marginal Cost)**: This curve is typically U-shaped, reflecting increasing then decreasing returns. - **ATC (Average Total Cost)**: Also U-shaped due to similar cost behaviors as MC. - **D (Demand)**: Downward-sloping, indicating a negative relationship between price and quantity demanded. - **MR (Marginal Revenue)**: Lies below the demand curve, indicating that the firm must lower prices to sell additional units. **Graph Explanation:** - **Y-axis (S)**: Represents price and cost. - **X-axis (Quantity)**: Represents the quantity of output. **Equilibrium and Profit Calculation:** At the profit-maximizing output level, firms equate MR and MC. The intersection of MR and MC indicates the quantity of output that maximizes profit. To find the profit: 1. Identify the quantity where MR = MC. 2. Determine the price from the demand curve at that quantity. 3. Calculate the total revenue (Price × Quantity). 4. Determine the average total cost at that output level and find total cost (ATC × Quantity). 5. Profit is Total Revenue - Total Cost. **Question:** At profit-maximizing output level, how much profit does this firm earn? 1. $250 2. $200 3. $360 4. $450
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