ORIE_451_Homework__7_2008_revised

ORIE_451_Homework__7_2008_revised - ORIE 451/551 Homework...

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ORIE 451/551 Homework #7 Due March 26, 2008 1. Determine the keep-replace decisions and the PW of replacing a 10-year old Boeing 747- 300 with a new Boeing 777-200. Since the decision is made by an airline in Denmark, tax effects and depreciation are not relevant., nor is inflation. Consider a finite horizon of five years and a MARR of 22%. All amounts given are in millions of dollars. Age 747 SV 777 SV 777 O&M 0 140 165 1 134.01 25.75 154.77 10.19 2 129.92 26.5 154.3 10.38 3 121.73 27.26 153.61 10.57 4 115.44 28.02 152.69 10.76 5 109.06 28.78 151.54 10.96 6 102.57 29.54 150.18 11.15 7 95.98 30.30 148.6 11.35 8 89.29 31.07 146.82 11.54 9 82.50 31.84 144.84 11.74 10 75.50 32.62 142.66 11.94 11 69.1 33.39 140.31 12.14 12 62.60 34.17 137.78 12.34 13 56 34.95 135.1 12.54 14 49.30 35.74 132.26 12.74 15 42.5 36.52 129.28 12.94
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2. Langdale Mill is considering replacing a number of old looms in the weave room. The looms to be replaced are two 86-inch President looms, sixteen 54-inch President looms,
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ORIE_451_Homework__7_2008_revised - ORIE 451/551 Homework...

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