What are the repayment methods of Ping An Pratt & Whitney?

The repayment methods are generally the following: \x0d\ 1. One-time repayment of principal and interest at maturity. (Suitable for short-term loans). \x0d\2. Average capital repayment method. \x0d\3. Equal principal and interest repayment method. \x0d\ 4. Pay interest on schedule and repay the principal at one time. How do you return it? Negotiate with the bank \x0d\ Matching principal and interest refers to a repayment method of housing loans, that is, the same amount of loans (including principal and interest) are repaid every month during the repayment period. \x0d\ The calculation formula of monthly repayment amount is as follows: \x0d\[ loan principal× monthly interest rate× (1+monthly interest rate )× repayment months ]/[( 1+ monthly interest rate )× repayment months-1] \x0d\ Average capital refers to