13. On January 1, 2018, Nath-Langstrom Services, Inc., a computer software training firm, leased several computers under a two-year operating lease agreement from ComputerWorld Leasing, which routinely finances equipment for other firms at an annual interest rate of 4%. The contract calls for four rent payments of $15,500 each, payable semiannually on June 30 and December 31 each year. The computers were acquired by ComputerWorld at a cost of $101,000 and were expected to have a useful life of Five years with no residual value. Both firms record amortization and depreciation semi-annually. (FV of $1, PV of $1, FVA of $1, PVA of $1, FVAD of $1 and PVAD of $1) (Use appropriate factor(s) from the tables provided.) Required: Prepare the appropriate entries for both the lessee and the lessor from the beginning of the lease through the end of 2018. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field. Round your intermediate calculations to the nearest whole dollar amount.)

• 01/01/2018: Record the beginning of the lease for Nath-Langstrom Services.
• 06/30/2018: Record the lease payment and interest expense for Nath-Langstrom Services.
• 06/30/2018: Record the amortization expense for Nath-Langstrom Services.
• 12/31/2018: Record the lease payment and interest expense for Nath-Langstrom Services.
• 12/31/2018: Record the amortization expense for Nath-Langstrom Services.
• 06/30/2018: Record the lease revenue received by ComputerWorld Leasing.
• 06/30/2018: Record the Depreciation expense for ComputerWorld Leasing.
• 12/31/2018: Record the lease revenue received by ComputerWorld Leasing.
• 12/31/2018: Record the Depreciation expense for ComputerWorld Leasing.