Use excel to calculate the total interest on a $ 731,242 loan for a small business making monthly payments with an interest rate of 4% over 20 years. Round your answer to the nearest hundredth and...

Use excel to calculate the total interest on a $ 731,242 loan for a small business making monthly payments with an interest rate of 4% over 20 years. Round your answer to the nearest hundredth and enter your answer as a positive number. Please help I do not have excel