Question

In: Economics

A machine purchased 1 year ago for $1055,000 costs more to operate than anticipated. When purchased,...

A machine purchased 1 year ago for $1055,000 costs more to operate than anticipated. When purchased, the machine was expected to be used for 10 years with annual maintenance costs of $32,000 and a $10,000 salvage value. However, last year, it cost the company $38,000 to maintain it, and these costs are expected to escalate to $40,000 this year and increase by $2,000 each year thereafter. The market value is now estimated to be $105,000 − $15,000k, where k is the number of years since the machine was purchased. It is now estimated that this machine will be useful for a maximum of 5 more years. A replacement study is to be performed now. Determine the value the first cost of this defender to be used in replacement analysis. Assume i = 10% per year.

EOY AOC

0 38000

1 40000

2 42000

3 44000

4 46000

5 48000

Solutions

Expert Solution

Market value of defender = 105000 - 15000 * k

Since machine was purchased one year ago.

First cost of defender to used = 105000 - 15000 * 1 = 90000

Using excel for ESL analysis

Year Discount factor O&M cost PV (O&M) Cumulative (O&M) Cumulative (O&M) + Initial Cost Salvage value PV (Salvage value) NPV (A/P,10%,n) EUAC
A B C D=C*B E F=E+90000 G H=G*B I=F-H J K = I*J
1 0.909091 40000.00 36363.64 36363.64 126363.64 75000.00 68181.82 58181.82 1.100000 64000.00
2 0.826446 42000.00 34710.74 71074.38 161074.38 60000.00 49586.78 111487.60 0.576190 64238.10
3 0.751315 44000.00 33057.85 104132.23 194132.23 45000.00 33809.17 160323.07 0.402115 64468.28
4 0.683013 46000.00 31418.62 135550.85 225550.85 30000.00 20490.40 205060.45 0.315471 64690.58
5 0.620921 48000.00 29804.22 165355.07 255355.07 15000.00 9313.82 246041.25 0.263797 64905.06
Discount factor 1/(1+0.1)^n
(A/P,i,n) i((1 + i)^n)/((1 + i)^n-1)

Minimum EUAC is 64000 in year 1, so ESL = 1 yrs

Showing formula in excel

Year Discount factor O&M cost PV (O&M) Cumulative (O&M) Cumulative (O&M) + Initial Cost Salvage value PV (Salvage value) NPV (A/P,10%,n) EUAC
A B C D=C*B E F=E+90000 G H=G*B I=F-H J K = I*J
1 =1/(1.1)^A17 40000 =C17*B17 =D17 =90000+E17 =105000-15000*2 =G17*B17 =F17-H17 =0.1*((1 + 0.1)^A17)/((1 + 0.1)^A17-1) =I17*J17
2 =1/(1.1)^A18 =C17+2000 =C18*B18 =E17+D18 =90000+E18 =G17-15000 =G18*B18 =F18-H18 =0.1*((1 + 0.1)^A18)/((1 + 0.1)^A18-1) =I18*J18
3 =1/(1.1)^A19 =C18+2000 =C19*B19 =E18+D19 =90000+E19 =G18-15000 =G19*B19 =F19-H19 =0.1*((1 + 0.1)^A19)/((1 + 0.1)^A19-1) =I19*J19
4 =1/(1.1)^A20 =C19+2000 =C20*B20 =E19+D20 =90000+E20 =G19-15000 =G20*B20 =F20-H20 =0.1*((1 + 0.1)^A20)/((1 + 0.1)^A20-1) =I20*J20
5 =1/(1.1)^A21 =C20+2000 =C21*B21 =E20+D21 =90000+E21 =G20-15000 =G21*B21 =F21-H21 =0.1*((1 + 0.1)^A21)/((1 + 0.1)^A21-1) =I21*J21
Discount factor 1/(1+0.1)^n
(A/P,i,n) i((1 + i)^n)/((1 + i)^n-1)

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