will excel please

2) Megan White needs to save $50,000 for a down payment on a house in 6 six years. How much does she need to invest today in an account paying 7.25 percent interest? 3) Mike Martin is planning to save up for a trip to Europe in three years. He will need $7,500 when he is ready to make the trip. He plans to invest the same amount at the end of each of the next three years in an account paying 6 percent. What is the amount that he will have to save every year to reach his goal of $7,500 in three years 4) Linda Lucky just won a $50 million dollar lottery where she will receive a series of 10 annual payments of $5,000,000. Determine the present value of the win assuming a 10% annual interest payment