Which alternative should be selected using incremental rate of return analysis, if MARR 8.5%? Do-nothing A $9,500 $6,000 $10,000 $5,500 First cost o Annualo benefit 1,5791,1731,880 730 0 Life 10 yrs ROR 1 1 10.5% 14.5% 113.5% 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