A company used straight-line depreciation for an item of equipment that cost $21,000, had a salvage value of $6,000 and a six-year useful life. After depreciating the asset for three complete years, the salvage value was reduced to $2,100 but its total useful life remained the same. Determine the amount of depreciation to be charged against the equipment during each of the remaining years of its useful life: Multiple Choice 51.500. 56 000 53.800 $8.300 55 400