Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Question
Assume the

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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