To purchase a new couch that costs 2100 dollars, you set up a store credit card that charges interest at 14.7 percent convertible monthly, beginning immediately. Each month that you do not make a payment (starting one month after you purchase the couch), you are charged a 30 dollar fee that is added to your card balance. Due to nancial di culties, you cannot make a payment until 6 months after you purchase the couch. To pay o the card balance, you decide to make 29 monthly payments that increase by 4.6 percent per month. How much is your rst payment?