The Best Definition of Differential Analysis Is

The best definition of differential analysis is:

A) an analysis of the benefits foregone when one alternative is selected over another.
B) an analysis of allocated fixed costs related to each product line.
C) an analysis of variable costs that are the same from one alternative course of action to another.
D) an analysis that looks at the difference in revenues and costs from one alternative course of action to another.
E) None of the answer choices is correct.