The type of minimum payment to be calculated. AM is the default and indicates that the minimum payment will be the sum of the amortized fees, deferred interest, interest, and a portion of principal accrued during the cycle for each cycle. AM_INTEREST indicates that the minimum payment will be the sum of the interest accrued during the cycle for each cycle, and the final cycle will include repayment of all accrued interest and the full outstanding principal, fee, and deferred interest balances. If not provided, the default value is AM.