1) To save for Harmans post-secondary education starting in 18 years, his family deposits $1200 at the beginning of every year into an education fund earning interest at 4.15% compounded annually. What will be the balance in the fund after 18 years? (5) 2) How much would you have to pay into an account at the beginning of every 6 months to accumulate $10,000 in eight years if interest is 7% compounded quarterly? (5) 3) A deposit of $4000 (PV) is made today. For how long can $500 be withdrawn from the account at the end of every 3 months if interest is 4% compounded quarterly? (Answer NO decimal places.)