Falling Leaves Lawn Care This company purchased new excavating equipment at the beginning of 2019. The equipment has a cost of $37,000, an estimated life of 5 years, and an estimated residual value of $7,000. A full year's depreciation expense is to be recorded in 2019. The equipment was used 20,000 hours during 2019 and 24,000 hours during 2020. The number of expected hours over 5 years is 100,000. Refer to Falling Leaves Lawn Care. By what amount would double-declining-balance depreciation exceed straight-line depreciation over the 5-year life of the equipment?

a.total depreciation expenses under double-declining-balance and straight-line depreciation are equal

b.cost less total depreciation.

c.the salvage value of $7,000

d.cost plus total depreciation