Two persons 'A' and 'B' started a business with an initial capital in the ratio of 5 : 7 and after 6 years 'A' added Rs. _____ more to his capital at the end of __ years, the ratio of profit share of 'A' to 'B' will be 6 : 7. If profit share of 'A' is Rs.1440 and total profit from the business is 26% of total initial investment then which of the following pair will replace the given blanks? (In the same order)