78-80: The cost of a machine is $21,000, its scrap value is $3,000 and the estimated number of units produced during its lifetime is 280,000. Data: First year production 28,000 units; 2nd year production 30,000 units; 3rd year production = 34,000 units. What is the depreciation cost on the third year? O $2,856 O $2,016 $6,624 0 $2,186 What is the accrued depreciation in year 2? O $1,929 O $2,314 O $3,500 O $3,729 What is the remaining depreciation to fully depreciate the machine? O $8,745 O $9,000 O $5,914 O $12,086