【单选题】Suppose Marv, the owner-manager of Marv’s Hot Dogs, earned $72,000 in revenue last year. Marv’s explicit costs of operation totaled $36,000. Marv has a Bachelor of Science degree in mechanical enginee...
A.
Marv's implicit cost of using owner-supplied resources is $36,000.
B.
Marv's economic profit is $36,000
C.
Marv’s implicit cost of using owner-supplied resources is $30,000.
【简答题】Questions 1 through 3 are based on the following news. ( )1. A. It is listed in the teaching programme. B. It is important to English teaching. C. Effective listening results in good grades. D. It...