a company purchased a truck 95,000 dollars on january 2, the truck was estimated to have 3,000 salvage value for a 4 year life, the truck was depreciated using the straight line method. at the beginning of the 3rd year,it was obvious that the trucks total useful life would be 6 years rather than 4, and the salvage value at the end of the 6th year would be 1,000. determine the depreciation expense for the truck for the 6 years for its life. you must show how you calculated all six of the numbers.