500,000 yuan for a house, with a down payment of 200,000 yuan, and the remaining 300,000 yuan 10 year. What is the final principal and interest of this 300,000 yuan, and how much will it be paid every month? The ten-year repayment amount of commercial loans is 4 1.89w, and the interest is paid 1 1.89 w, with an average monthly repayment of 3490.99.

The total repayment in 20 years is 56.4w, the interest is 26.4w, and the monthly repayment is 2334.338+0.

The ten-year repayment amount of the provident fund loan is 38.0 1w, the interest is 8.0 1w, and the monthly repayment is 3 167.32.

Total repayment in 20 years is 47. 12w, interest is paid 17. 12w, and monthly repayment is 1963.33.