Income before depreciation and taxes amounts to $200,000. Using straight-line depreciation, the current year's depreciation expense will be $13,500. Using double-declining - balance depreciation, the current year's depreciation expense will be $20,500. Assuming a tax rate of 30%, what is the net cash saved in income taxes by using double-declining - balance depreciation over straight-line depreciation? A $6,150 OB $4,050 OC. $2,100 OD $7,000