Assuming a MARR of 20%, use incremental analysis (defender vs challenger approach) to select the best choice among the four alternatives assuming a useful life of eight (8) years for all alternatives: A D C B initial cost. -2500 -3600 -4200 -4800 anual benefit. 850. 1000. 1200. 1300 salvage value. 2500. 2500. 3000. 3000 useful life(years) 8 8 8 8

Use IRR and incremental analysis, assuming a MARR of 20%, to solve problem #3.

Use Benefit to Cost (B/C) ratio and incremental analysis to solve problem #3.