Sally Seair buys a sailboat. The price, including tax, is $5,275.00. She finances the boat over 36 months after making a $500 down payment. The true annual interest rate is 15%. What are Sally's monthly payments (principal plus interest)? To the nearest penny, c = $. Total of payments = amount financed + c = $. Total of payments ÷ number of payments = monthly payment = $.