'P' is the investment made on an equipment, 'S' is its salvage value and 'n is the life of the equipment in years. The depreciation for Rath year by the sum-of years digit method will be
(P - S)/n
1 - (P/S)1/m
(m/n) (P - S)
[2 (n - m + 1)/n(n + 1)]. (P - S)
Correct Answer :
D. [2 (n - m + 1)/n(n + 1)]. (P - S)