Metlock Corp purchased machinery for $346,500 on May 1, 2020. It is estimated that it will have a useful life of 10 years, salvage value of $16.500 production of 264,000 units, and working hours of 25,000. During 2021, Metlock Corp. uses the machinery for 2.650 hours, and the machinery produces 28,000 units. From the information given compute the depreciation charge for 2021 under each of the following methods. (Round intermediate calculations to 2 decimal places, eg 5.25 and final answers to decimal places, e.g. 45,892.) (a) $ (b) $ Straight-line Units-of-output Working hours Sum-of-the-years-digits (c) $ (d) $ (e) Declining-balance (use 20% as the annual rate) $