Fund Personal Finance Problem

Creating a retirement fund Personal Finance Problem: To supplement your retirement, you estimate that you need to accumulate $280,000 exactly 44 years from today. You plan to make equal, end of year deposits into an account paying 12% annual interest. a. How large must the annual deposits be to create the $280,000 fund by the end of 44 years? b. If you can afford to deposit only $180 per year into the account, how much will you have accumulated 44 years?