MARR 0.2 EAW PW Defender Chllenger Factor Defender Chalilenger Factor Deender Ch

Question

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

Explanation / Answer

EAW PW Year Defender Challenger Factor@20% Defender Challenger Defender Challenger 0 -30000 -120000 1 -10031.4 -40125.6 -30000 -120000 1 -60000 -30000 0.83333333 -60000 -30000 -50000 -25000 2 -60000 -30000 0.69444444 -41666.7 -20833.3 3 -60000 -30000 0.5787037 -34722.2 -17361.1 4 -60000 -30000 0.48225309 -28935.2 -14467.6 5 -60000 -30000 0.40187757 -24112.7 -12056.3 5 0 50000 0.40187757 6718.985 0 20093.88 EAW -70031.4 -63406.6 PW -209437 -189624 Requirement 1 If we change MARR from 20% to 30% EAW PW Year Defender Challenger Factor@30% Defender Challenger Defender Challenger 0 -30000 -120000 1 -12317.4 -49269.8 -30000 -120000 1 -60000 -30000 0.76923077 -60000 -30000 -46153.8 -23076.9 2 -60000 -30000 0.59171598 -35503 -17751.5 3 -60000 -30000 0.45516614 -27310 -13655 4 -60000 -30000 0.3501278 -21007.7 -10503.8 5 -60000 -30000 0.26932907 -16159.7 -8079.87 5 0 50000 0.26932907 5529.077 0 13466.45 EAW -72317.4 -73740.7 PW -176134 -179601 No challenger is not acceptable alternative anymore, if we change MARR from 20% to 30% Requirement 2 If we change MARR from 20% to 5% EAW PW Year Defender Challenger Factor@5% Defender Challenger Defender Challenger 0 -30000 -120000 1 -6929.24 -27717 -30000 -120000 1 -60000 -30000 0.95238095 -60000 -30000 -57142.9 -28571.4 2 -60000 -30000 0.90702948 -54421.8 -27210.9 3 -60000 -30000 0.8638376 -51830.3 -25915.1 4 -60000 -30000 0.82270247 -49362.1 -24681.1 5 -60000 -30000 0.78352617 -47011.6 -23505.8 5 0 50000 0.78352617 9048.74 0 39176.31 EAW -66929.2 -48668.2 PW -289769 -210708 Yes, If we change MARR from 20% to 5%, Challanger is acceptable alternative Requirement 3 It depends upon the number we put in palce of salvage value of defender Requirement 4 If operational and maintenance cost of defender reduced from 60000 to 50000 EAW PW Year Defender Challenger Factor@20% Defender Challenger Defender Challenger 0 -30000 -120000 1 -10031.4 -40125.6 -30000 -120000 1 -50000 -30000 0.83333333 -50000 -30000 -41666.7 -25000 2 -50000 -30000 0.69444444 -34722.2 -20833.3 3 -50000 -30000 0.5787037 -28935.2 -17361.1 4 -50000 -30000 0.48225309 -24112.7 -14467.6 5 -50000 -30000 0.40187757 -20093.9 -12056.3 5 0 50000 0.40187757 6718.985 0 20093.88 EAW -60031.4 -63406.6 PW -179531 -189624 Yes, in this situation Defender becomes acceptable alternative and challenger will not be the best selection.

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