1 Three alternative designs are being considered for potential improvement project related to the operation of an engineering department. The projected cashflows are shown below. The MARR is 15%. End of year A B C 0 -$200,000 -$230,000 -$212,500 1 90,000 108,000 -15,000 90,000 108,000 122,500 90,000 108,000 122,500 4 90,000 108,000 122,500 5 90,000 108,000 122,500 6 90,000 108,000 122,500 Determine the best alternative using incremental analysis. WN st 0 a