A machine costs 9,250 with a trade in value of 710. Th machine can produce 26,800 units and the annual production has been: 1 st year 3,600 units 2 nd year 4,980 units 3 rd year 8,755 units 4 th year...

A machine costs 9,250 with a trade in value of 710. Th machine can produce 26,800 units
and the annual production has been:
1
st year 3,600 units
2
nd year 4,980 units
3
rd year 8,755 units
4
th year 6,000 units
Find the yearly depreciation (units of Production methods)