Question

A large textile company is trying to decide among three alternatives of sludge dewatering processes. The...

A large textile company is trying to decide among three alternatives of sludge dewatering processes. The costs associated with these alternatives are shown below. Alternative Y will need an upgrade of $9700 at the end of year 2. At the end of year 2, alternative Z would be replaced with another alternative Z having the same installed and operating costs. If the MARR is 14% per year, which alternative should be chosen?

Alternative

X

Y

Z

Installed costs

$68,500

$48,500

$33,500

Annual operating costs

$6000

$4000

$5000

Overhaul cost in year 2

-

$9700

-

Salvage value

$33,250

$28,250

$15,750

Useful life, years

8

4

2

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