Schager Company purchased a computer system on January 1, 2019, at a cash cost of $17,000. The estimated useful life is 10 years, and the estimated residual value is $2,200. The company will use the double declining-balance depreciation method. What is the accumulated depreciation balance as of December 31, 2020? (8 00:38:11 Multiple Choice 0 $2,720 0 $3,400. 0 $6,120. 86,120. 0 $5,768