8.4. Calculating Equipment Service Life Assignment
Equipment Service Life Assignment
(Annual Equivalent Analysis Approach)
(Free to share with attribution)
by Ted Robak
Problem: For the equipment cost data given below, develop a spreadsheet which calculates the after-tax annual equivalent over the eight year period, and identify the economic life of the machine. Do the analysis two ways:
a) treating the overhaul as a capital cost and
b) treating the overhaul as an operating expense.
|
Year |
Oper. Hrs |
O&M |
Overhaul (end of period) |
Market Val. (end of period) |
|
0 |
0 |
|
|
141400 |
|
1 |
2000 |
60900 |
|
101000 |
|
2 |
4000 |
65100 |
|
85850 |
|
3 |
6000 |
70350 |
|
70700 |
|
4 |
8000 |
76650 |
22,000 |
76760 |
|
5 |
10,000 |
74550 |
|
62620 |
|
6 |
12000 |
81900 |
11000 |
55550 |
|
7 |
14000 |
79800 |
|
39390 |
|
8 |
16000 |
89250 |
|
20200 |
MARR= 8%
Tax Rate : 25%
CCA Rate (Mobile Equipment) = 30%
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