16. $ During the first two years, SON, Inc., drove the truck 125,000 and 128,000 miles, respectively, to deliver merchandise to its customers. The company originally purchased the truck for $150,000. If the truck has an estimated life of 4 years or 400,000 miles, with an estimated residual value of $30,000, what amount of depreciation expense should SON record in the second year using the activity based method? 17. $ JMM Corporation purchased equipment at the beginning of Year 1 for $525,000. In Years 1 - 6, JMM depreciated the asset on a straight line basis with an estimated useful life of 10 years and a $75,000 residual value. What is the BOOK VALUE of the equipment at the beginning of Year 7