Nick has been depositing $ 180 in a savings account every three months for the past three years. This account paid 5 % convertible bimonthly. Nick has just made the last deposit. Nick is buying a car for $ 18000. He is taking out a car loan. He will use the accumulated value of his savings account as the downpayment on the car. The loan is at 5 % convertible quarterly and has a term of 5 years. Find the size of Nick's monthly car loan payment