A concrete and rock crusher for demolition work has been purchased for $60,000, and it has an estimated SV of $10,000 at the end of its five-year life. Engineers have estimated that the following units of production (in m3 of crushed material) will be contracted over the next five years. EOY 111 12 3 14 15 116.000 124.000 36.000 16.000 8.000 Using the units of production depreciation method. what is the depreciation allowance in year three Select one a $20.000 O b. $19.500 oc. $18.000 od. $16.000