Refer to the table below. The average benefit of 4 units of activity is:


Refer to the table below. The average benefit of 4 units of activity is:

A.$5

B.$9

C.$10

D.$4

正确答案:$9


Tag:微观经济学 中国大学MOOC微观经济学 时间:2021-12-11 14:23:46