NUS 15 pts company purchased a machine on January 1 of the current year for $750.000. Calculate the annual depreciation expense for each year of the machine's life estimated at 5 years or 20,000 hours, with a salvage value of $75,000). During the machine's 5-year life its hourly usage was: 3,000, Yr l; 4,000 Yr 2; 5,000 Yr3; 5,000 Yr 4: and 3,000 hours Yr 5. Depreciation Expense: Year Straight Line Units of Production Declining Balance 25 4XTS 4515 335 Total 228.15 2