Company B purchased equipment on account on September 3, 2019, at an invoice price of $180,000. On September 4,2019 , it paid $3,700 for delivery of the equipment. A one-year, $1,975 insurance policy on the equipment was purchased on September 6,2019 . On September 20, 2019, Company B paid $4,300 for installation and testing of the equipment. The equipment was ready for use on October 1, 2019. Company B estimates that the equipment's useful life will be four years, with a residual value of $6,000. It also estimates that, in terms of activity, the equipment's useful life will be 72,800 units. Company B has a September 30 fiscal year end. Assume that actual usage is as follows: Instructions: a) Determine the cost of the equipment. b) Prepare depreciation schedules for the life of the asset under the following depreciation methods: - Straight-line depreciation - Diminishing balance depreciation at a rate of 50% - Units-of-production depreciation c) Determine the carrying amount as at September 30, 2022 under the straight-line depreciation method