If the Net Benefit of Project a Is $10 and That

Multiple Choice

If the net benefit of Project A is $10 and that of Project B is $12,which of the following statements is true?

A) An individual can optimize by choosing Project A.
B) An individual can optimize by choosing Project B.
C) Switching from Project A to Project B reduces the net benefit by $2.
D) Switching from Project A to Project B increases the net benefit by $1.2.