The Following Table Provides the Costs (Cost a and Cost

The following table provides the costs (Cost A and Cost B) and the benenfits associated with each unit of activity
-Which of the following statements is correct?

A) The total benefit exceeds the total cost for all units of activity.
B) Each of the five units of activity yields the same total benefit.
C) Each of the five units of activity yields the same average benefit.
D) Each additional unit of activity yields the same marginal benefit.
E) Each additional unit of activity yields more and more additional benefit.