Question: Find the hourly operating cost for the first year of life of the tractor of Problem. Use the following additional data.
Rated power = 300 hp (224 kW)
Fuel price = $1.50/gal ($0.396/C)
Load conditions = average
Operating conditions = average
Hours operated = 2000 h/year
Operator cost = $20.001h
Problem: A crawler tractor costs $250,000, has an estimated salvage value of $50,000, and has a 5-year life. Find the annual depreciation and book value at the end of each year using the double-declining-balance method of depreciation.