Machines A and B are two mutually exclusive equipment choices for a manufacturing plant that is expected to last forever. Machine A has a 3-year economic life and Machine B has a 2-year economic life. The cash flows associated with the two machines are given in the table low. Given an opportunity cost of capital of 20%, which machine would you choose based on the equivalent annual cash flows? Cash flows and cost of capital are in real terms.

DO NOT USE EXCEL

Machine	C0	C1	C2	C3
A	-300	120	144	864
B	-200	180	432