A pre-set scale of interest which is based on the premise that higher sums of money earn higher rates of interest.

A method of computing interest in which the rate is based upon 1) the amount of the outstanding balance, 2) the amount of cumulative charges made, or 3) the cardholder's credit and risk rating.

A rate that has two or more interest rate possibilities based on variable dollar amounts saved or borrowed.

An interest rate structure that allows for increased interest based on a higher tiered rate and increased account balance for that rate.

An interest rate structure in which the entire account balance earns a higher rate once it reaches the designated level.