You are considering five projects, all of which can be considered to last indefinitely. The MARR is 15% pweer year.

Alt	Fist Cost $	Net Annual Income $	ROR %
A	-20000	3000	15
B	-10000	2000	20
C	-15000	2800	18.7
D	-70000	10000	14.3
E	-50000	6000	12

A) determine which alternative should be selected using incremental rate of return analysis

B) determine which alternative should be selected using B/C ratio analysis