The Law of Diminishing Returns

Multiple Choice

The law of diminishing returns:

A) deals specifically with the diminishing marginal product of fixed input factors.
B) states that the marginal product of a variable factor must eventually decline as increasingly more is employed.
C) can be derived deductively.
D) states that as the quantity of a variable input increases, with the quantities of all other factors being held constant, the resulting output must eventually diminish.