Which alternative should be selected using incremental rate of return analysis, if MARR = 8.5%? Do-nothing A B D 10 $9,500 $6,000 $10,000 $5,500 o 1,579 1,173 1,880 730 First cost Annual benefit Life ROR 10 yrs 10.5% 14.5% 13.5% 5.5% C, because the C-B increment has a ROR of 11.97% and the A-B increment has a ROR of 2.82% something other than C, because C costs the most initially C because C has the highest annual benefit B. because its ROR is the highest