這一題的題目 - 經濟

A monopsony emplyer facing a perfectly competitity supply of labor would pay
a wage:
A. greater than marginal revenue product.
B.greater than the perfectly competitive wage.
C.equal to marginal revenue product.
D.less than the perfectly competitive wage.
E.none of the above.

這一題我想超久都想不出來的
有人可以幫我解答嗎><

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