Need help with A , B and C

Troy is saving for his retirement 20 years from now by setting up a savings plan. He has set up a savings plan wherein he will deposit $105.00 at the end of each year for the next 13 years. Interest is 7% compounded annually. (a) How much money will be in his account on the date of his retirement? (b) How much will Troy contribute? (c) How much will be interest? (a) The future value will be s (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)