Parents agree to invest $500 (at 8%, compounded semiannually) for their son on the December 31 or June 30 following each semester that he makes the dean's list during his 4 years in college. If he makes the dean's list in each of the 8 semesters, how much money will his parents have to give him when he graduates? (a) State whether the problem relates to an ordinary annuity or an annuity due.

(b) solve the problem