Cuso Company purchased equipment on January 1, 2013 at a cost of $40,000. The equipment has an estimated residual value of $10,000 and an estimated useful life of 5 years ed 200 tion If the straight-line method of depreciation is used, what is the amount of accumulated depreciation at December 31 2014? NOTE: this is the end of the 2nd year of the asset's life Select one a $24,000 $18,000 C. $6.000 d. $12.000