The cash flows for three different alternatives are given in table below. MARR =10%

	Alt. A	Alt. B	Alt C.
Initial cost	$5000	$9000	$7500
Annual benefits	$1457	$2,518	$2,133
ROR	14%	13%	12.4%
Life in years	5	5	5

?RoR for the first increment (Alt. C-Alt. A) is ___________________. A. 10.12% B. 9.38% C. 11.85% D. 11.00%

The best alternative for a MARR of 10% using the incremental rate of return analysis is ____________. A. Alt. C B. Alt. A C. Alt. B D. Do-nothing