=+EX 10-15 Revision of depreciation obj. 2

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a. $17,500 A building with a cost of $1,050,000 has an estimated residual value of $420,000, has an estimated useful life of 36 years, and is depreciated by the straight-line method.

(a) What is the amount of the annual depreciation?

(b) What is the book value at the end of the twentieth year of use?

(c) If at the start of the twenty-first year it is estimated that the remaining life is 20 years and that the residual value is $300,000, what is the depreciation expense for each of the remaining 20 years?