JC Inc. must install a new air-conditioning unit in its main plant. It is evaluating two different models: A and B; both are expected to last five years and are equally efficient. The cash flows (in millions) are listed below. JCs WACC is 8%. What unit would you recommend? If WACC changes to 6%, which unit would you recommend?

t =	0	1	2	3	4	5
A	-500	-50	-50	-75	-75	-75
B	-100	-150	-150	-150	-175	-200

Group of answer choices

Indifferent

A; B

B ; A

B ; B

A ; A