How do you solve??

If you start making $100 monthly contributions today and continue them for ten years, what's their future value if the compounding rate is 10 percent APR? (Round your answer to two decimal places) Question 14 5 pts Assume that you contribute $500 per month to a retirement plan for 30 years. Then you are able to increase the contribution to $600 per month for another 15 years. Given an 9 percent interest rate, what is the value of your retirement plan after the 45 years? (Round your answer to two decimal places) Question 15 5 pts A small business owner visits his bank to ask for a loan. The owner states that he can repay a loan at $1,000 per month for the next four years and then $750 per month for three years after that. If the bank is charging customers 7 percent APR, how much would it be willing to lend the business owner? (Round your answer to two decimal places)