Sonic Corporation purchased and installed electronic payment equipment at its drive-in restaurants in San Marcos, TX, at a cost of $21,600. The equipment has an estimated residual value of $1,200. The equipment is expected to process 256,000 payments over its three-year useful life. Per year, expected payment transactions are 61,440, year t; 140,800, year 2; and 53,760, year 3. Required: Complete a depreciation schedule for each of the alternative methods. 1. Straight-line. 2. Units-of-production. 3. Double-declining-balance. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Complete a depreciation schedule for the straight-line method. (Do not round intermediate calculations.)