Use technology to apply the future value (FV) function and to answer the following questions: a. What is the balance in an account aftor 18 yoars with monthly deposits of $225 and an APR of 4% ? b. If you double the APR in part (a), is the balance double, more than double, or less than double the balance in part (a)? c. If you double the number of yoars in part (o), is the balance double, more than double, or less than double the balance in part (a)? a. The balance in the account after 18 years is $ (Round to the nearest cent as needed)