The cost of a machine having a span of life 5 years is Rs. 10,000. It has a scrap value of Rs. 1,000. The amount of depreciation in the first year under the sum of year's digit method will be:
A. Rs. 1,600
B. Rs. 1,800
C. Rs. 2,500
D. Rs. 3,000
Answer: Option D

5/15 * 9000
(remaining useful life/SYM * depreciable cost)
remaining use ful life = 5 years
SYM = n(n+1)/2
depreciable cost (10000-1000)