Exercise 4. Expect Company purchases a factory machine at a cost of $18,000 on January 1,201. Expect Company thinks the machine will help the company earn revenue for 160,000 hours over a 4 year period and then be sold for $2,000 (residual value). During the first 4 years, the machine was used 40,000,60,000,35,000, and 30,000 hours respectively. Complete the following grid as to the amount that would be depreciated (expensed) over the 4 years the machine was used to help the company earn revenue by the 3 methods studied. Exercise 5. The Keith Company purchased a new machine on October 1, 20X1 for $110,000. The company paid $10,000 in freight charges to ship and install the new machine in their factory. The company estimates that it will use the machine for 10,000 hours over the next 5 years and then be able to sell it for $15,000 (Residual Value). Compute the amount of cost to be debited to Depreciation Expense and credited the Accumulated Depreciation account under the following methods for the years indicated. a) Straight-line for 201. b) Units-of-Activity for 201, assuming the machine was used for 1,700 hours. c) Dedining-talance using double the straight-line persentage (DDB) for 201 and 202