An ordinary general annuity is: when the payments are at the end of the month and the interest rate is compounded at a different frequency than the payments. when the payments are at the end of the month and the interest rate is compounded at the same frequency as the payments. when the payments are at the beginning of the month and the interest rate is compounded at a different frequency than the payments. when the payments are at the beginning of the month and the interest rate is compounded at the same frequency as the payments