A concrete and rock crusher for demolition work has been purchased for $60,000, and it has an estimated SV of $8,000 at the end of its five-year life. Engineers have estimated that the following units of production (in m of crushed materials will be contracted over the next five years. Using the units of production depreciation method, what is the depreciation allowance in year three, and what is the BV at the end of year four? EOY m3 1 18,000 4 17,000 5 3,000 24,000 38,000 The depreciation allowance in year three is $ 19760. (Round to the nearest dollar.) The BV at the end of year four is 5 (Round to the nearest dollar.)