On January 1, 2021, Winn Heat Transfer leased office space under a three-year operating lease agreement. The arrangement specified three annual lease payments of $102,000 each, beginning December 31, 2021, and at each December 31 through 2023. The lessor, HVAC Leasing calculates lease payments based on an annual interest rate of 5%. Winn also paid a $183,000 advance payment at the beginning of the lease. With permission of the owner, Winn made structural modifications to the building before occupying the space at a cost of $285,000. The useful life of the building and the structural modifications were estimated to be 30 years with no residual value.