A company acquired a delivery truck on October 1. Year 1, for $18,500. The company estimates a residual value of $1700 and a six year service life. It expects to drive the truck 140,000 miles. Actual mileage was 4.400 miles in Year 1 and 17,800 miles In Year 2 Required: Calculate depreciation expense using the activity based method for Year 1 and Year 2, assuming a December 31 year-end. (Do not round your intermediate calculations.) Year Year Depreciation expense