please answer these questions ik the limit is one just in need of help

Starting today, you invest $50 at the beginning of each month into stocks that are expected to earn 10% per year. How much will your investment be worth in 20 years? A Question 10 (1 point) You want to have a perpetuity that will pay $25,000 per year forever. You found an investment offering a guaranteed 3.75% per year forever. How much will you need to invest today in order to receive your first perpetuity payment at the end of the year? A/