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3. Find the future value of an annual ordinary armuity of $ 20,000 for three years at 4%. Find the future value and the total interest exmed. 4 Find the FV of a quarterly ordinary armnuity of $2,800 for four years at 4% arutual interest, compounded quarterly 5. Find the future value of an ordinary armuity of $250 monthly at 5.75% for 5 years. 6. Find the present value of an ordinary annuity in the payout phase with semi-annual payments of 36,000 for 7 years at 6% annual interest, compounded semiannually 2. Roberto Santos wants to know how much he vill have to invest non to receive an annuity payment of $5.000 twice a year for ten years at the beginning of period. The mones will be invested at 6% annually compounded semiannually 8. Find the monthly contribution to reach $100,000 in 20 years with an anmuity fund that earns 5.5% annual interest. 9. Jean is financing a new car with a loan of $15,000, to be repaid in 8 annual end-of-year installments of $2,415.54. What annual interest rate is the Jean paying? 10. Estas is financing of $19483.974 to be repaid in 5 annual end-of-year installments of $5,009.12. What annual interest rate is the Ahmed paying? 11. Suppose that a court settlement results in a $750,000 award. If this is invested at 9% compounded semiannually, how much will it provide at the beginning of each half-year for a period of 7 years? 12. Find the annual sinking fund payment required to accumulate $340,000 in 12 years at a 6% annual interest rate