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 the m^th year by the sum-of-year-digit method will be

An investment of Rs. 1000 is carrying an interest of 10% compounded quarterly. The value of the investment at the end of five years will be 

Match List I correctly with List II and select your answer using the codes given below :

In a manufacturing industry, break-even point occurs when

The total capital investment for a chemical process plant comprises the fixed capital investment and the

Four major constituents of atmospheric air are

1. N²
2. Ar
3. O²
4. CO²

^{Arrange them in ascending order of their % in air :}