Mitchell Corporation bought equipment on January 1, 2017, and depreciates it using the double declining-balance-method of depreciation. The equipment cost $300,000 and had an expected salvage value of $40,000. The life of the equipment was estimated to be 10 years. The book value of the equipment at the beginning of the third year would be A $108,000 B. $93,600. C. $192,000. D. $166,400