MARR 0.2 EAW PW Defender Chllenger Factor Defender Chalilenger Factor Deender Cha Year 0 30,000 0 0.33438 100314 40125.6 1-60,000.00 -30,000.00 2 60,000.00-30,000.00 30,000 -120,000 60000 -300002.991 -179437-89718 3 60,000.00 -30,000.00 4 -60,000.00 30,000.00 $ 60,000.00 30,000.00 10 .00 50,000.00 0.13438 0 6718.985 0.401878 20093.88 12 70031.4 63406.6 EAW PW 13 209,437 189,624 15 161 1, when the MARR is changed from 20% to 30% the challenger is still the acceptable alternative? 17.latrue balse 18 12 when the MARR is changed from 20% to S% the challenger is still the acceptable alternative? 19 atrue b.false 20 3.in this example if the salvage value of the defender is changed from S0 to another number, the selection of alternatives change? 21 ayes b.no 224In thi example f the operational and maintena ance costs of the defender are reduced from $60,000 to $50,000, the challenger is still the best selection? 23 24 25 a.true b. false