P$10-2$B In recent years, Darnell Company purchased three machines. Because of heavy turnover in the accounting department, a different accountant was in charge of selecting the depreciation method for each machine, and each selected a different method. Information concerning the machines is summarized below. Machine Acquired Cost Salvage Value Life in Years Method $11/1/12$ $$105,000$ $ $5,00010$ Straight$-$line $21/1/13180,00010,0008$ Declining$-$balance $31/1/15125,00015,0006$ Units$-$of$-$activityFor the declining$-$balance method, the company uses the double$-$declining rate. For theunits$-$of$-$activity method, total machine hours are expected to be $25,000.$ Actual hours ofuse in the first $3$ years were $2015,2,000$; $2016,4,500$; and $2017,5,500.$Instructions$($a$)$ Compute the depreciation expense on each machine for $3$ years and show what the balance of accumulated depreciation would be at the end of year $3.$