13-6 Waterways Tours uses the units-of-activity method in depreciating its tour boats ICline boat was purchased on Januaryr 1. 2006. at a cost of $143,000. Over its four-year useful life. the boat is expected to be driven 100.000 miles. Salvage value is expected to be $8,000. Instructions ta) Compute the depreciation cost per unit. (b) Prepare a depreciation schedule assuming actual mileage was: 2008. 26.000: 2009. 32.000: 2010. 25.00: and 2011. 17.000. 13-? Solo Country Club purchased a new computer system on October I. 2003. at a cost of 1596.000. The company estimated that the machine would have a salvage value of 1512.000. The system is expected to be used for 10.000 working hours during its five-year life. Instructions Compute the depreciation expense under the following methods for the year indicated: ta) Straight-line for 2008. {b} Units-of activity for 2008. assuming system usasgc was 1.700 hours. [c] Declining-balance using double the straight-line rate for 2008 and 2009