Tails 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 1; 140,800, year 2; and 53,760, year 3.