This is the answer I got, can you tell me if I did the math correctly?

Consider a home mortgage of $250,000 at a fixed APR of 4.5% for 20 years. a. Calculate the monthly payment. b. Determine the total amount paid over the term of the loan. c. Of the total amount paid, what percentage is paid toward the principal and what percentage is paid for interest. a. The monthly payment is $ (Do not round until the final answer. Then round to the nearest cent as needed.) b. The total amount paid over the term of the loan is $ (Round to the nearest cent as needed.) c. Of the total amount paid, % is paid toward the principal, and % is paid for interest. (Round to one decimal place as needed.)