20. The table below has some information about an unnamed firm in an unknown competitive industry. b. TC MC TR MR 100 n/a 80 n/a 1 150 80 2 202 80 3 257 80 4 317 80 385 80 465 80 7 562 80 8 682 80 Fill in the MC, TR (total revenue), and MR columns. What quantity should the firm produce if it has to pick a q > 0? (if two options yield equal profit pick the larger one) 21. (continued) Will there be entry, exit, or neither in this industry in the long run? a. entry b. exit ç. neither

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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### Table Analysis: Competitive Firm in Unknown Industry

The table provides data for an unnamed firm operating in a competitive industry. It includes columns for quantity produced (q), total cost (TC), marginal cost (MC), price (P), total revenue (TR), and marginal revenue (MR).

#### Table Columns Breakdown

- **q (Quantity):** Units of output produced ranging from 0 to 8.
- **TC (Total Cost):** Starting at 100 and increasing to 682 as quantity increases.
- **MC (Marginal Cost):** Not applicable (n/a) at q=0; needs to be computed for other quantities.
- **P (Price):** Consistently 80 for all quantities.
- **TR (Total Revenue):** Starting at 0, needs calculation for other quantities (TR = P * q).
- **MR (Marginal Revenue):** Not applicable (n/a) at q=0; equal to P for a competitive firm.

#### Questions

1. **Calculate MC, TR, and MR**  
   - **MC:** Change in TC divided by change in q.
   - **TR:** P multiplied by q.
   - **MR:** Equals P for a competitive firm (80).

2. **Optimal Quantity:**
   Determine which quantity to produce if q > 0, choosing the highest profitable output.

3. **Long-Run Industry Changes:**
   Decide if the industry will see entry, exit, or neither:
   - **a. entry** 
   - **b. exit** 
   - **c. neither**

---

Note: Fill in the missing calculations for a complete analysis.
Transcribed Image Text:### Table Analysis: Competitive Firm in Unknown Industry The table provides data for an unnamed firm operating in a competitive industry. It includes columns for quantity produced (q), total cost (TC), marginal cost (MC), price (P), total revenue (TR), and marginal revenue (MR). #### Table Columns Breakdown - **q (Quantity):** Units of output produced ranging from 0 to 8. - **TC (Total Cost):** Starting at 100 and increasing to 682 as quantity increases. - **MC (Marginal Cost):** Not applicable (n/a) at q=0; needs to be computed for other quantities. - **P (Price):** Consistently 80 for all quantities. - **TR (Total Revenue):** Starting at 0, needs calculation for other quantities (TR = P * q). - **MR (Marginal Revenue):** Not applicable (n/a) at q=0; equal to P for a competitive firm. #### Questions 1. **Calculate MC, TR, and MR** - **MC:** Change in TC divided by change in q. - **TR:** P multiplied by q. - **MR:** Equals P for a competitive firm (80). 2. **Optimal Quantity:** Determine which quantity to produce if q > 0, choosing the highest profitable output. 3. **Long-Run Industry Changes:** Decide if the industry will see entry, exit, or neither: - **a. entry** - **b. exit** - **c. neither** --- Note: Fill in the missing calculations for a complete analysis.
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