A pump in an ethylene production plant costs $15,000. After 9 years, the salvage value is declared at $0.
(a) Determine depreciation charge and book value for Year 9 using straight-line, sum-of-theyears'-digits, and 7-year MACRS depreciation.
(b) Find the PW of each depreciation scheduleif the interest rate is 5%. Gain/Loss on Disposal