Problem 6 (15 Points Robert Parish Corporation purchased a new machine for its assembly process on August 1, 2001. The cost of this machine was $117,900. The company estimated that the machine would have a salvage value of $12,000 at the end of its service life. Its life is estimated at 5 years and its working hours are estimated at 21,000 hours. The machine usage was 800 hours in 2000; 2,500 in 2002; 4,000 in 2003; 5,500 in 2004; 6,000 in 2005; and 2.200 in 2006. Instructions Compute depreciation expense, accumulated depreciation, and book value for the 5 years under the followings methods. a. Straight-line method b. Activity method c. Declining-balance method Use the following headings Year Depreciation Expense Accumulated Depreciation Book Value