If Project A has a cost of $2, and provides a benefit of $3, and Project B has a cost of $ 5 and provides a benefit of $8, which of the following statements is true?

A) The net benefit of Project A is $5.
B) An individual can optimize by choosing Project B.
C) Project A has a higher net benefit than Project B.
D) A shift from Project A to Project B increases the net benefit by $1.

B