Q9:A businessman purchased a $30,000 delivery truck, which was expected to last for 10 years. After 10 years, it would be worth $3,000. Under the straight-line depreciation method, the percentage of the assert is 10%. You are required to solve this by using double decline method of depreciation? Q17:Consider a piece of property, plant, and equipment (PP&E) that costs $25,000, with an estimated useful life of 8 years and a $2,500 salvage value. To calculate the double-declining balance depreciation, set up a schedule?