For two mutually exclusive machines, which machine will you select if the MARR is 12% based on the concept of IRR?

Years	CF for Machine A	CF for Machine B
0	$ (120,000)	$ (148,000)
1	$ 32,000	$ 46,000
2	$ 35,000	$ 49,000
3	$ 38,000	$ 52,000
4	$ 41,000	$ 52,000
5	$ 44,000	$ (52,000)
6	$ (24,000)	$ 55,000
7	$ 47,000	$ 55,000
8	$ (21,000)	$ (21,000)

		Machine A
		Machine B
		Both need to be rejected.
		Both are equally good.