Sunland A.. purchased a piece of equipment at the beginning of 2019 . The equipment cost 522,080. It has an estimated service life of 8 years and an expected residual value of 72,800 . 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 t62,400 will be depreciated for a particular calendar year. Determine for what particular year the depreciation amount for this asset will be 62,400 . Year of depreciation