please show all work. I will leave a positive rating! :)

(point) in 4 years Harry and Sally would like to have $14,000.00 for a down payment on a house. How much should they deposit each month into an account paying 4% compounded monthly? (Note: The answer is a dollar amount, should have a dollar sign, and should be accurate to two decimal places). (1 point) How much do you need to invest semiannually into an ordinary annuity earning an annual interest rate of 6.06% compounded semiannually so that you will have $6,165.59 after 9 years? (Note: Your answer is a dollar amount and should include a dollar sign) (1 point) Irene plans to retire on January 1, 2020. She has been preparing to retire by making annual deposits, starting on January 1, 1980, of 2400 dollars into an account that pays an effective rate of interest of 8.6 percent. She has continued this practice every year through January 1, 2001. Her goal is to have 1.5 million dollars saved up at the time of her retirement. How large should her annual deposits be (from January 1, 2002 until January 1, 2020) so that she can reach her goal? Answers dollars