Assume the ATC equals four dollars this monopolist will earn how much profit

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Assume the ATC equals four dollars this monopolist will earn how much profit

The graph illustrates the economic concepts of supply and demand, alongside marginal revenue (MR).

### Graph Description:

**Axes:**
- The vertical axis represents price levels.
- The horizontal axis represents quantity.

**Curves:**
- **Supply Curve:** Upward sloping from left to right, indicating that as the price increases, the quantity supplied increases.
- **Demand Curve:** Downward sloping from left to right, showing that as the price decreases, the quantity demanded increases.
- **Marginal Revenue (MR) Line:** Horizontal, indicating constant marginal revenue across different quantities.

**Equilibrium Point:**
- The intersection of the supply and demand curves is the equilibrium point, where the quantity supplied equals the quantity demanded.

**Key Points on the Axes:**
- **Prices:** Marked at intervals, with specific labels at 2, 8, 9, and 11.
- **Quantities:** Marked at intervals, with specific labels at 11, 14, and 20.

This graph is a fundamental representation of market behaviors, illustrating how various quantities and price levels interact to form market equilibrium. The MR line is often used in contexts involving firm-level analysis, especially in monopoly or imperfect competition scenarios, where understanding the additional revenue from selling one more unit is critical.
Transcribed Image Text:The graph illustrates the economic concepts of supply and demand, alongside marginal revenue (MR). ### Graph Description: **Axes:** - The vertical axis represents price levels. - The horizontal axis represents quantity. **Curves:** - **Supply Curve:** Upward sloping from left to right, indicating that as the price increases, the quantity supplied increases. - **Demand Curve:** Downward sloping from left to right, showing that as the price decreases, the quantity demanded increases. - **Marginal Revenue (MR) Line:** Horizontal, indicating constant marginal revenue across different quantities. **Equilibrium Point:** - The intersection of the supply and demand curves is the equilibrium point, where the quantity supplied equals the quantity demanded. **Key Points on the Axes:** - **Prices:** Marked at intervals, with specific labels at 2, 8, 9, and 11. - **Quantities:** Marked at intervals, with specific labels at 11, 14, and 20. This graph is a fundamental representation of market behaviors, illustrating how various quantities and price levels interact to form market equilibrium. The MR line is often used in contexts involving firm-level analysis, especially in monopoly or imperfect competition scenarios, where understanding the additional revenue from selling one more unit is critical.
Expert Solution
Step 1

Supply curve is the marginal cost of the firm.

The monopolist will try to earn maximum profit. It will be maximized when the quantity produced is at a point where MR=MC.

So, in the graph, we can see that MR and the supply(MC) curve are intersecting at quantity level of 11 units.

The corresponding price level on the demand curve is 11.

So, Q=11

P=11

Total Revenue=P*Q=121

 

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