Please show all work. Use excel if needed

Question 1 You just started your first job after finishing college. Given what you have learned about finance, you realize it is sensible to build up a buffer. You believe that you can save $500 every month. The return (interest rate) you can earn on your savings is APR 3%. Please answer the following questions: a) How much will you have in your savings account after 3 years? b) How much will you have in your savings account after 10 years? c) Instead of saving a fixed amount every month, you invest an initial amount today. How much do you need to invest today to get the same amount as in b) after 10 years