On January 1, 2021, Ivanhoe Ltd. purchased equipment for $768,000. The equipment was assumed to have an 8-year useful life and no residual value and was to be depreciated using the straight-line method. On January 1,2023, Ivanhoe's management became concerned that the equipment may have become obsolete. Management calculated that the undiscounted future net cash flows from the equipment was $552,000, the discounted future net cash flows was $489,600, and the current fair value of the equipment (after $2,100 costs to sell) was $480,000. (a1) Assuming that Ivanhoe is a private Canadian company following ASPE, identify which model should be used to test for impairment. should be used to test for impairment. eTextbook and Media List of Accounts Coronado Manufacturing purchased a machine on January 1, 2023 for use in its factory. Coronado paid $512,000 for the machine and estimated that it had a useful life of 10 years, at the end of which time the machine was expected to have a residual value of $50,000. During its life, the machine was expected to produce 280,000 units. During 2023 , the machine produced 31,500 units, and produced 42,600 in 2024 . T machine was subject to a 20\% CCA rate, and Coronado's year-end was December 31. The machine is eligibl for the Accelerated Investment Incentive. (a) Calculate the annual depreciation amount for 2023 and 2024 using the straight-line method