試題詳解

8. The accompanying table describes the relationship between the number of workers hired by a call center each hour and the number of calls the call center can make each hour. The call center has only 1 telephone. The telephone costs the firm $5/hour (regardless of how many calls are made), and each worker is paid $10 per hour.

Average variable cost is minimized when output is approximately:
(A) 6 units
(B) 16 units
(C) 22 units
(D) 24 units
(E) Indeterminate from the information given