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 six 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 10%, which unit would you recommend?

t =	0	1	2	3	4	5	6
A	-150	-125	-125	-175	-175	-200	-200
B	-550	-55	-55	-75	-75	-100	-100

Group of answer choices

Indifferent

B ; B

A; B

B ; A

A ; A