Refer to the figure below. The marginal utility of the 3rd dinner is

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Refer to the figure below. The marginal utility of the 3rd dinner is

A.75.

B.160.

C.135.

D.60.

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 14:39:19