6. You have $200,000 in a retirement account. Your goal is to have $1.5 million when you retire in 15 years. You will make additional monthly deposits into the account for the next 15 years, with deposits made at the end of each month. If you expect to earn a nominal annual rate of 8% on all amounts invested, how much must you deposit each month? a. $2,365.39 b. $2,423,48 c. $2,934.77 d. $3,470.14 e. none of the above