Question

Diminishing marginal product suggests that:

A: Additioanl units of output become less costly as more output is produced.

B: Marginal cost is upward-sloping.

C: The firm is at full capacity

D: All of the above are correcr

I am not sure how to answer this one?
Would B be the best answer? A,C, and D don't seem to be correct.

Answer 1

I too would go with B