A friend of yours is just starting a delivery service and has purchased a truck for $20,000. The friend expects the truck to last 5 years and to have no resale value at that point. The friend's business plan projects driving the truck for 50,000 miles over the five years, with per year projections of 5000, 10,000, 12,000, 18,000 and 5,000 miles over the five years. Required: (a) Compute the annual depreciation expense for the first and second years with the following depreciation methods: (1) units-of-activity, (2) straight-line, and (3) double-declining-balance. Depreciation Method annual depreciation expense for year 1 annual depreciation expense for year 2 units-of-activity straight-line double-declining balance