At least one of the answers above is NOT correct. Parents have set up a sinking fund in order to have $150000 in 18 years for their child's college education. (a) Suppose they want to pay semiannually into an account paying 6.9% compounded semiannually. What is the rate per period? i= (b) Using the value of i you just computed, how much should be paid semiannually into an account paying 6.9% compounded semiannually? dollars