12.11 A firm is considering replacing a machine that has been used to make a certain kind of packaging material. The new, improved machine will cost $31.000 installed and will have an estimated economic life of 10 years with a salvage value of $2,500. Operating costs are expected to be $1.000 per year throughout the service life of the machine. The old machine (still in use) had an original cost of $25,000 four years ago, and at the time it was purchased, its service life (physical life) was esti- mated to be seven years with a salvage value of $5,000. The old machine has a cur- rent market value of $7700. If the firm retains the old machine, its updated market values andopcrating osts for the next four vcars will be as oiven in Tabla P12 11

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12.11 A firm is considering replacing a machine that has been used to make a certain
kind of packaging material. The new, improved machine will cost $31.000 installed
and will have an estimated economic life of 10 years with a salvage value of S2.500,
Operating costs are expected to be $1.000 per year throughout the scrvice life of
the machine. The old machine (still in use) had an original cost of $25,000 four
years ago, and at the time it was purchased, its service life (physical life) was esti-
mated to be seven years with a salvage value of $5.000. The old machine has a cur-
rent market value of $7700. If the firm retains the old machine. its updated market
values and operating costs for the next four years will be as given in Table P12.1.
TABLE PI2.11
Year End Market Value
Book Value
Operating Costs
0.
S7700
S2810
$4,300
$5.578
$3,200
2.
$3,300
$3.347
$3.700
3.
S1.100
S1.160
$4,800
s0
so
$5.850
The firm's MARR is 12%
a) Working with the updated market value and operating costs over the next 4 years determine
the remaining useful life of the old machine.
b) Determine whether it is economical to make the replacement now.
Be sure to show me your calculations on an attached spreadsheet.
Transcribed Image Text:12.11 A firm is considering replacing a machine that has been used to make a certain kind of packaging material. The new, improved machine will cost $31.000 installed and will have an estimated economic life of 10 years with a salvage value of S2.500, Operating costs are expected to be $1.000 per year throughout the scrvice life of the machine. The old machine (still in use) had an original cost of $25,000 four years ago, and at the time it was purchased, its service life (physical life) was esti- mated to be seven years with a salvage value of $5.000. The old machine has a cur- rent market value of $7700. If the firm retains the old machine. its updated market values and operating costs for the next four years will be as given in Table P12.1. TABLE PI2.11 Year End Market Value Book Value Operating Costs 0. S7700 S2810 $4,300 $5.578 $3,200 2. $3,300 $3.347 $3.700 3. S1.100 S1.160 $4,800 s0 so $5.850 The firm's MARR is 12% a) Working with the updated market value and operating costs over the next 4 years determine the remaining useful life of the old machine. b) Determine whether it is economical to make the replacement now. Be sure to show me your calculations on an attached spreadsheet.
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