You just took out a 15-year traditional fixed-rate mortgage for $300,000 to buy a house. The interest rate is 4.8% (APR) and you have to make payments monthly. Attempt 1/3 for 10 pts. Part 1 What is your monthly payment? ou decimals Part 2 - Attempt 2/3 for How much of your first monthly payment goes towards paying down the outstanding balance (in $)? Part 3 Attempt 1/3 for 10 pts How much is the outstanding balance (in $) after the first monthly payment