14.3 You have just bought a new pusher dozer for your equipment fleet. Its cost is $100,000. It has an estimated service life of four years. Its salvage value is $12,000. a. Calculate the depreciation for the first and second year using the straight-line and DDB methods. b. The IIT components of ownership cost based on average annual value are: Tax: 2% Insurance: 2% Interest: 7% What cost per hour of operation would you charge to cover IIT