According to the annual interest rate of 8.64% (that is, the monthly interest rate of 7% 2), the principal and interest are repaid in the same way. The loan is repaid in five years, with a fixed monthly repayment of 1029 yuan, and a total repayment of 6 1752 yuan in five years, of which the principal is 50,000 yuan and the interest is 1 1752 yuan.

It's not usury, it's within the normal range.