Refer to the figure below. At a price of $2, the total expenditure on lattes each hour equals:
Refer to the figure below. At a price of $2, the total expenditure on lattes each hour equals:
A.$80.
B.$30.
C.$60.
D.$40.
正确答案:$60.
Tag:微观经济学 中国大学MOOC微观经济学
时间:2021-12-11 14:37:45