Incorrect Question 6 0/20 pts A contractor purchased a wheeled-backhoe for $155,000, with a salvage value of $12,000 at the end of its estimated useful life of 5 years? The purchase price of the equipment included $6,000 for a set of tires. Given an annual usage of 2,000 hours, maintenance & repairs at 50% of depreciation and an interest rate of 12%. What is the Average Annual Cost (Average Book Value) used to calculate the Investment Cost? 20,000