Figure 9.1 shows the cost structure of a firm in a perfectly competitive market. If the market price is $40 and the fir s currently producing the profit maximizing output level, the firm's profit is: O A. $7,200. O B. $9,000. OC. $27,000. $36.000

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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### Figure 9.1 Explanation

This graph illustrates the cost structure of a firm in a perfectly competitive market, displaying three key curves: Marginal Cost (MC), Average Total Cost (ATC), and Average Variable Cost (AVC) against the quantity produced (Q).

#### Key Components:

- **MC (Marginal Cost)**: The upward-sloping curve shows the cost of producing one additional unit of output. It intersects both the AVC and ATC curves.
  
- **ATC (Average Total Cost)**: This U-shaped curve indicates the total cost per unit of output, which includes both fixed and variable costs.
  
- **AVC (Average Variable Cost)**: Also U-shaped, this curve shows the variable cost per unit of output, excluding fixed costs.

#### Price and Output:

- Market Price: $40 (horizontal line at the 40 mark on the vertical axis)
- Profit Maximizing Output Level: Where MR (equal to market price in perfect competition) equals MC; shown at a quantity around 650 on the graph.

#### Profit Calculation:

To find the firm's profit, we analyze the difference between total revenue and total cost at the profit-maximizing output level.

- **Total Revenue (TR)**: Calculated as Price ($40) times Quantity (650).
- **Total Cost (TC)**: Calculated using the ATC at the given output level. At quantity 650, ATC is approximately $30 per unit.

\[ \text{Profit} = (\text{Price} - \text{ATC}) \times \text{Quantity} \]

\[ \text{Profit} = (40 - 30) \times 650 = 10 \times 650 = 6,500 \]

However, please verify using correct data from the graph or context for actual educational purposes, as the position and numbers may need precise confirmation from the figure.

#### Answer Choices:

A. $7,200  
B. $9,000  
C. $27,000  
D. $36,000  

According to this information, the firm's profit is calculated in context with the selected answer being closest to the calculated profit.
Transcribed Image Text:### Figure 9.1 Explanation This graph illustrates the cost structure of a firm in a perfectly competitive market, displaying three key curves: Marginal Cost (MC), Average Total Cost (ATC), and Average Variable Cost (AVC) against the quantity produced (Q). #### Key Components: - **MC (Marginal Cost)**: The upward-sloping curve shows the cost of producing one additional unit of output. It intersects both the AVC and ATC curves. - **ATC (Average Total Cost)**: This U-shaped curve indicates the total cost per unit of output, which includes both fixed and variable costs. - **AVC (Average Variable Cost)**: Also U-shaped, this curve shows the variable cost per unit of output, excluding fixed costs. #### Price and Output: - Market Price: $40 (horizontal line at the 40 mark on the vertical axis) - Profit Maximizing Output Level: Where MR (equal to market price in perfect competition) equals MC; shown at a quantity around 650 on the graph. #### Profit Calculation: To find the firm's profit, we analyze the difference between total revenue and total cost at the profit-maximizing output level. - **Total Revenue (TR)**: Calculated as Price ($40) times Quantity (650). - **Total Cost (TC)**: Calculated using the ATC at the given output level. At quantity 650, ATC is approximately $30 per unit. \[ \text{Profit} = (\text{Price} - \text{ATC}) \times \text{Quantity} \] \[ \text{Profit} = (40 - 30) \times 650 = 10 \times 650 = 6,500 \] However, please verify using correct data from the graph or context for actual educational purposes, as the position and numbers may need precise confirmation from the figure. #### Answer Choices: A. $7,200 B. $9,000 C. $27,000 D. $36,000 According to this information, the firm's profit is calculated in context with the selected answer being closest to the calculated profit.
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