please typed the answers and answer it cleary for every question

Decommissioning Obligation (10 marks) Bruce Networks Ltd. (BNL) has a 10-year renewable lease contract with Open Ltd. (OL), the owner of a tall building in a major city, BNL is permitted to erect a transmission tower on the top of the building, BNL's contract with OL requires BNL to dismantle the tower if and when BNL discontinues its use. BNL 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 OL are $390,000 per year. BNL constructed the tower at the beginning of 20x6 at a cost of $4,485,000. BNL estimates that dismantling and removal of the tower will cost $390,000. The pre-tax interest rate that reflects risk is 6%, BNL plans to use straight-line depreciation, the company's policy is to take a full year's depreciation in the year of acquisition but none in the year of disposal. (PV of $1. PVA of $1, and PVAD of $1.) (Use appropriate factor(s) from the tables provided) Required: 1. Prepare the journal entry to record construction of the tower and the decommissioning cost obligation (if no entry is required for a transaction/event, select "No Journal entry required in the first account field. Round time value factor to 5 decimal places and final answers to the nearest whole dollar amount.) Journal entry worksheet Record the depreciation expenses. Note: Enter debits before credits. Date General Journal Debit Credit 20X7 Record entry Clear entry View general journal Journal entry worksheet