Paul received a 25 year loan of $300,000 to purchase a house. The interest rate on the loan was 4.00% compounded monthly. a. What is the size of the monthly loan payment? $ Round to the nearest cent b. What is the principal balance of the loan at the end of 4 years? $ Round to the nearest cent c. By how much will the amortization period shorten if Paul made an extra payment of $51,000 at the end of the year 4? years months Express the answer in years and months, rounded to the next month