6. Suppose you are buying your first condo for $145,000, and you will make a $15,000 down payment. You have arranged to finance the remainder with a 30- year, monthly payment, amortized mortgage at a 5.4% nominal annual interest rate, with the first payment due in one month. What will your monthly payments be? a. $713.84 b. $779.42 c. $821.69 d. $862.77 e. $905.91