Novak A.. purchased a piece of equipment at the beginning of 2019. The equipment cost #642,560. It has an estimated service life of 8 years and an expected residual value of t89,600. 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 t76,800 will be depreciated for a particular calendar year. Determine for what particular year the depreciation amount for this asset will be t76,800. Year of depreciation 3