E 15-17 Lessee and lessor, operating lease LO15-4 On January 1, 2018, Nath-Langstrom Services, Inc. a computer software training firm, leased several computers under a two-year operating lease agreement from Computer World Leasing, which routinely finances equipment for other firms at an annual interest rate of 4%. The contract calls for four rent payments of $10,000 each, payable semiannually on June 30 and December 31 each year. The computers were acquired by Computer World at a cost of S90,000 and were expected to have a useful life of five years with no residual value. Both firms record amorti- zation and depreciation semiannually. Required: Prepare the appropriate entries for both (a) the lessee and (b) the lessor from the beginning of the lease through the end of 2018