Please show work!!!

(4 points) If you make monthly payments of $595.00 into an ordinary annuity earning an annual interest rate of 4.71% compounded monthly, how much will you have in the account after 3 years? After 8 years? After 3 years? After 8 years? (Note: Your answers are a dollar amount and should include dollar signs) (4 points) In 5 years Harry and Sally would like to have $26,000.00 for a down payment on a house. How much should they deposit each month into an account paying 9% compounded monthly? (Note: The answer is a dollar amount, should have a dollar sign, and should be accurate to two decimal places). (4 points) How much do you need to invest semiannually into an ordinary annuity earning an annual interest rate of 5.4% compounded semiannually so that you will have $8,275.80 after 9 years? (Note: Your answer is a dollar amount and should include a dollar sign)