Mar. 7. Paid garage $190 for changing the oil, replacing the oil filter, and tuning the engine on the delivery truck Dec. 31. Record depreciation for the new truck. It has an estimated trade-in value of $10,100 and an estimated life of 7 years Dec. 31. Recorded depreciation on the remaining truck. It has an estimated residual value of $15,100 and an estimated useful life of 10 years