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Show all steps and equations. 2) You are evaluating two different aluminum milling machines. The Alumina...

Show all steps and equations.

2) You are evaluating two different aluminum milling machines. The Alumina I costs $240,000, has a three-year life, and has pretax operating costs of $63,000 per year. The Alumina II costs $420,000, has a five-year life, and has pretax operating costs of $36,000 per year. For both milling machines, use straight-line depreciation to zero over the project's life and assume a salvage value of $40,000. If your tax rate is 35 percent and your discount rate is 10 percent, which do you prefer? Why?

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Expert Solution

Alumina I:

Cost of Machine = $240,000
Useful Life = 3 years

Annual Depreciation = Cost of Machine / Useful Life
Annual Depreciation = $240,000 / 3
Annual Depreciation = $80,000

Annual OCF = Pretax Operating Costs * (1 - tax) + tax * Depreciation
Annual OCF = -$63,000 * (1 - 0.35) + 0.35 * $80,000
Annual OCF = -$12,950

Salvage Value = $40,000

After-tax Salvage Value = $40,000 * (1 - 0.35)
After-tax Salvage Value = $26,000

NPV = -$240,000 - $12,950 * PVIFA(10%, 3) + $26,000 * PVIF(10%, 3)
NPV = -$240,000 - $35,250 * 2.486852 + $42,000 * 0.7513148
NPV = -$296,106.311082

EAC = NPV / PVIFA(10%, 3)
EAC = -$296,106.311082 / 2.486852
EAC = -$119,068.73

Alumina II:

Cost of Machine = $420,000
Useful Life = 5 years

Annual Depreciation = Cost of Machine / Useful Life
Annual Depreciation = $420,000 / 5
Annual Depreciation = $84,000

Annual OCF = Pretax Operating Costs * (1 - tax) + tax * Depreciation
Annual OCF = -$36,000 * (1 - 0.35) + 0.35 * $84,000
Annual OCF = $6,000

Salvage Value = $40,000

After-tax Salvage Value = $40,000 * (1 - 0.35)
After-tax Salvage Value = $26,000

NPV = -$420,000 + $6,000 * PVIFA(10%, 5) + $26,000 * PVIF(10%, 5)
NPV = -$420,000 +$6,000 * 4.32947667058+ $26,000 * 0.78352617
NPV = -$373,651.46

EAC = NPV / PVIFA(10%, 5)
EAC = -$373,651.46 / 4.32947667058
EAC = -$86,304.07

So, you should prefer Alumina II as its EAC is lower than that of Alumina I


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