4. You want to have $50,000 in your savings account 5 years from now, and you are prepared to make equal annual payments into the account at the end of each year. If the account pays 5% interest, what amount must you deposit each year? 5. Your investment account has $120,000 in it. How much will you have in 10 years if you can earn 9% annually? 6. If you wanted to withdraw $1,000 at the end of each year for 15 years, how much money would you need to deposit into an account today if you could earn 7%