1, Find the accumulated value of an annuity due of S800 payable at the beginning of every month for ten years at 3% p.a. compounded monthly. 2. Ava purchased a boat valued at $25,000 on an installment plan requiring equal monthly payment for four years. If the first payment is due on the date of purchase and interest is 2.4% p.a. compounded quarterly, what is the size of the monthly payment? 3. How much would you have to pay into an account at the beginning of every 3 months to accumulate $40000 in 6 years if interest is 5% p.a. compounded quarterly?