Answer with Explanation:
For an income of Rs.756, investment = Rs. 9000.
For an income of Rs.21/2 ,investment = Rs.(9000/756 x 21/2) = Rs. 125.
Therefore,For a Rs. 100 stock, investment = Rs. 125.
Market value of Rs. 100 stock = Rs. (125 - 1/4) = Rs. 124.75