Please answer all three! Thumbs up!

Suppose you will need $72,000 in 18 years. If your bank compounds interest at an annual rate of 11%, how much will you need to deposit into your account 4 year(s) from now to reach your goal? Enter your answer rounded to two decimal places. Number You are planning for your retirement in 21 years. At that time you want to have enough saved to be able to afford to spend $150,000 per year (starting at time 22) for 18 years (if you live longer than 18 years your kids will have to support you). How much will you need to have saved by time 21 if the expected interest rate from time 21 to 39 is 13 percent per year? Number