View Policies Current Attempt in Progress Whispering Company purchased machinery for $172,200 on January 1, 2020. It is estimated that the machinery will have a useful life of 20 years, salvage value of $14.700, production of 87,100 units, and working hours of 44.900. During 2020, the company uses the machinery for 17,960 hours and the machinery produces 21,775 units. Compte depreciation under the straight-line, units of output working hours, sum of the years.dipits, and double declining balance methods. (Round intermediate calculations to 5 decimal places 1.56487 and final answers to decimal places, s 5,125) Depreciation Straight-line Units-of-output Working hours Sum-of-the-years-digits $ Double declining balance 5 eTextbook and Media Assistance Used e Textbook Save for Later Attempts: 0 of 3 used Submit