Sonic Corporation purchased and installed electronic payment equipment at its drive-in restaurants in San Marcos, TX, at a cost of $27,000. The equipment has an estimated residual value of $1,500. The equipment is expected to process 255,000 payments over its three-year useful life. Per year, expected payment transactions are 61,200, year 1; 140,250, year 2; and 53,550, year 3. Complete a depreciation schedule for each of the alternative methods. Straight-line(a) Units-of-production(b) Double-declining-balance(c)