A company is trying to choose between two investment proposals A and 8. Project A has a standard deviation of Rs 6,500 while project B has a standard deviation of Rs 7,200. The firm's financial manager wishes to know which investment to choose, given each of the following combinations of the expected values.

(a) Project A and project B both have expected net present value of Rs 15,000.

(b) Project A has expected NPV of Rs 18,000 while for the project Bit is Rs 22,000.