Cost of a machine is Rs 135000 residual value is 5000 Useful life 10 years the company chrged depreciation for the first 5 years on straight line method Later on it reviewed the useful life and decided to take it as useful for another 8 years depreciation amount for 6th year will be ?
a) 8125
b) 8000
c) 8200
d) none of the above
ans : a)8125
please explain how to solve