Use the following December 31, 2019 information to answer the next 3 questions: Machine A $20,000 7 years Cost Useful life Salvage value Purchase date Depreciation Method $ 1,100 5/1/16 Straight-line Machine B $13,500 50,000 units $ 2,500 7/1/19 Units of Production Machine C $10,800 5 years $ 2,500 1/1/17 Double-declining balance What is the amount of accumulated depreciation for Machine A, on the December 31, 2019 balance sheet? O A. $10,800 OB.S10,125 OC. $9,900 OD. $8,100 OE. $2,700