i just need help with 15 please not 14.

14. Congratulations, you just had a child! You better start planning for college. You decide that your child needs to have $40,000 in 18 years to get their bachelorette degree. a. How much do you need to invest today (present value) in an IRA, compounded yearly at 2% interest? Click or tap here to entertext. 23 006.375 b. How much interest did you earn? Click or tap here to entertext. 11993.625 15. After figuring the cost in #14, you decide that a one-time payment is not affordable. So instead, you decided to make yearly payments after your tax refund comes in. a. How much would your yearly payments be based on the information above? Click or tap here to entertext. b. How much interest did you earn? Click or tap here to entertext