Initial Cost Annual Benefit -8000 1400 -4 -Salvage Value 200 10 IRR 15.31% 15 12.67% , 17.01% C-A 15.72% B-E 7.50% D-A 11.13% B-A 11.91% D-E 8.31% Delta IRR 21.83% Delta IRR 9.11% Delta IRR 8.05% D-B 9.47% Delta IRR which alternate should be selected if MARR is 8%