When Fertilizer Yields Diminishing Returns in the Production of Potatoes

Multiple Choice

When fertilizer yields diminishing returns in the production of potatoes,

A) output increases only if fertilizer input is increased.
B) additional fertilizer causes decreased production.
C) doubling fertilizer input less than doubles output.
D) marginal cost decreases as more fertilizer is added.
E) doubling fertilizer input more than doubles output.