Compute the annual depreciation allowances and the resulting book values, using the straight-line and double- declining balance method. 3. A company's accounting record shows the following: Purchase Cost: Salvage Value: Useful Life (miles): Miles Driven During Year. Truck A $39.550 $3.700 220,000 15,000 Truck B $45,655 $4,700 275,000 20,000 Determine the amount of depreciation for each truck during the year