Charlie Networks Ltd. (CNL) constructed a transmission tower in 2020. CNL is required to dismantle the tower at the end of its life. CNL expects to use the tower for only 10 years due to the rapid advance in transmission technology that is likely to render the tower obsolete in 10 years. The lease payments to ML are $180,000 per year. CNL constructed the tower at the beginning of 2020 at a cost of $2,100,000. CNL estimates that dismantling and removal of the tower will cost $180,000, at 2020 current prices. The discount rate for the company is 6%. CNL uses straight-line depreciation