申論題

3. What the following statements is (are) not correct?

(2) AAA company produces and sells computers. The firm has determined that if it hires 5 workers, it can produce 12 computers per week. If it hires 6 workers, it can produce 15 computers per week. It sells each computer for $500, and it pays each of its workers $800 per week. For the 6th worker, the marginal profit is $1,500.