Use the U.S. Rule to solve for total interest cost (Use 360 days a year. Do not round Intermediate calculations. Round your answer to the nearest cent.) Total interest cost $ Use the U.S. Rule to solve for balances.(Use 360 days a year. Do not round Intermediate calculations. Round your answer to the nearest cent.) Use the U.S. Rule to solve for final payment. (Use 360 days a year. Do not round Intermediate calculations. Round your answer to the nearest cent.) Final payment $