38) Dr. Khan starts his own dental practice after quitting his $150,000 job at The Mall Dental Clinic. His revenues for the first year are $500,000. He paid $90,000 in rent for the dental office, $60,000 for his office manager's salary, $24,000 for the dental hygienist, $150,000 for insurance, and $6,000 for other miscellaneous costs. The normal profit from running his business is $20,000. A) His explicit costs are $330,000. B) His implicit costs are $170,000. C) His economic profit is zero. D) Only answers A and C are correct. E) Answers A, B, and C are correct.

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**Problem 38: Dr. Khan's Dental Practice**

Dr. Khan starts his own dental practice after quitting his $150,000 job at The Mall Dental Clinic. His revenues for the first year are $500,000. He paid $90,000 in rent for the dental office, $60,000 for his office manager's salary, $24,000 for the dental hygienist, $150,000 for insurance, and $6,000 for other miscellaneous costs. The normal profit from running his business is $20,000.

**Analysis:**

- **A) His explicit costs are $330,000.**
  - Explicit costs include rent, salaries, insurance, and miscellaneous expenses.
  - Calculation: $90,000 (rent) + $60,000 (office manager) + $24,000 (hygienist) + $150,000 (insurance) + $6,000 (miscellaneous) = $330,000

- **B) His implicit costs are $170,000.**
  - Implicit costs include the salary he gave up ($150,000) and the normal profit ($20,000).
  - Calculation: $150,000 (foregone salary) + $20,000 (normal profit) = $170,000

- **C) His economic profit is zero.**
  - Economic profit considers both explicit and implicit costs and is calculated as follows:
  - Economic Profit = Total Revenue - Explicit Costs - Implicit Costs
  - Calculation: $500,000 (revenue) - $330,000 (explicit costs) - $170,000 (implicit costs) = $0

- **D) Only answers A and C are correct.**

- **E) Answers A, B, and C are correct.**

The correct answer is **E**: Answers A, B, and C are correct.
Transcribed Image Text:**Problem 38: Dr. Khan's Dental Practice** Dr. Khan starts his own dental practice after quitting his $150,000 job at The Mall Dental Clinic. His revenues for the first year are $500,000. He paid $90,000 in rent for the dental office, $60,000 for his office manager's salary, $24,000 for the dental hygienist, $150,000 for insurance, and $6,000 for other miscellaneous costs. The normal profit from running his business is $20,000. **Analysis:** - **A) His explicit costs are $330,000.** - Explicit costs include rent, salaries, insurance, and miscellaneous expenses. - Calculation: $90,000 (rent) + $60,000 (office manager) + $24,000 (hygienist) + $150,000 (insurance) + $6,000 (miscellaneous) = $330,000 - **B) His implicit costs are $170,000.** - Implicit costs include the salary he gave up ($150,000) and the normal profit ($20,000). - Calculation: $150,000 (foregone salary) + $20,000 (normal profit) = $170,000 - **C) His economic profit is zero.** - Economic profit considers both explicit and implicit costs and is calculated as follows: - Economic Profit = Total Revenue - Explicit Costs - Implicit Costs - Calculation: $500,000 (revenue) - $330,000 (explicit costs) - $170,000 (implicit costs) = $0 - **D) Only answers A and C are correct.** - **E) Answers A, B, and C are correct.** The correct answer is **E**: Answers A, B, and C are correct.
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