Problem 7-4 (LG 7-4) You plan to purchase a $270,000 house using a 30-year mortgage obtained from your local credit union The mortgage rate offered to you is 6.75 percent. You will make a down payment of 20 percent of the purchase price. a. Calculate your monthly payments on this mortgage. (Do not round intermediate calculations. Round your answer to 2 decimal places. (e.g., 32.16)) Monthly payment b. Construct the amortization schedule for the first six payments. (Do not round intermediate calculations. Round your answers to 2 decimal places. (e.g., 32.16) Amortization Schedule for first 6 payments (months) Beginning Loan Balance Ending Loan Balance Month Payment Interest Principal 2 4 6