Vaughn A. . purchased a piece of equipment at the beginning of 2019. The equipment cost 1542,160. It has an estimated service life of 8 years and an expected residual value of 75,600. The sum-of-the-years- digits method of depreciation is being used. Someone has already correctly prepared a depreciation schedule for this asset. This schedule shows that:64,800 will be depreciated for a particular calendar year. Determine for what particular year the depreciation amount for this asset will be 164,800. Year of depreciation