Ifa,i = 5 and sn= 15, find the value of i. b) Fund A is invested at an annual rate of interest of 3%. Fund B is invested at an annual rate of interest of 2.5%. At the end of 20 years, the total amount in the two funds is 10, 000. At the end of 31 ycars, the amount in fund A is twice the amount in fund B. Calculate the total amount in the two funds at the end of 10 years.