Assume you are to invest $50 at the end of each year for 20 years into an account that grows 10% annually. At the end of Year 20 , you stop investing new money. However, you continue to allow the existing balance to grow at 10%. 10 years later, what is the account's value? $6,351.81 $6,752.46 $7.427.83 $7,922.33 $8.591.00