Assume that Smith's Auto Sales paid $45,000 for equipment with a 15 year life and zero expected residual value. After using the equipment for six years, the company determines that the asset will remain useful for only five more years. Read the comment Requirement 1. Record depreciation expense on the equipment for Your 7 by the straight-line method First, select the formula to calculate the company's revised depreciation expense on the equipment for Your 7 Then enter the amounts and calculate the depreciation for Year 7 (Enter "O" for items with a zero value) Revised depreciation Record the depreciation on the equipment for Year 7. (Record debits first, then credits. Select the explanation on the last line of the journal entry table)