A land grant university has upgraded its Course Management System (CMS), integrating the system throughout all of its main campus and branch campuses around the state. It has purchased a set of 15 servers and peripherals for needs associated with the CMS. The total cost basis is $120,000 and expected use will be 5 years after which they will have no projected value. Calculate the depreciation deduction and book value for each year. a. Use straight-line depreciation. b. Use declining balance depreciation using a rate that ensures the book value equals the salvage value. c. Use double declining balance depreciation. d. Use double declining balance switching to straight line depreciation.