35% interest for three years is 2368.68. Suppose the annual interest rate is 5.000%, the loan life is 3 years, and the loan principal of the equal principal and interest method is 30,000. The monthly principal and interest repayment amount is 899. 13 yuan, and the total repayment amount is 32,368.68 yuan, and the interest payable is 2,368.68 yuan. 1 month pays interest of 125, and 1 month pays principal of 774. 13. After that, the interest paid every month decreased and the principal paid increased. (without considering the adjustment of interest rate in the middle).