【单选题】Consider two mutually exclusive projects A & B. If you subtract the cash flows of opportunity B from the cash flows of opportunity A, then you should:
A.
take opportunity A if the regular IRR exceeds the cost of capital.
B.
take opportunity A if the incremental IRR exceeds the cost of capital.
C.
take opportunity B if the regular IRR exceeds the cost of capital.
D.
take opportunity B if the incremental IRR exceeds the cost of capital.