Check my work Janet and Bob purchased a $300,000 home with an interest rate of 4.25% using a 30-year mortgage. How much of the first payment is principle and how much is interest? Multiple Choice Principle $765.24. Interest $710.58 Principle $413.32. Interest $1,062.50 Principle $300, Interest $1,100 Principle $710.58, Interest $765.24 Interest $1,062.50, Principle $413.32