finance charges on credit cards even before you use a new credit card, what information is the institution that issued your card required by law to disclose? the rate of interest and estimated dollar amount of finance charges the method used to compute finance charges and estimated dollar amount of finance charges the rate of interest and method used to compute finance charges the interest rate on cash advances is generally the rate on purchases. the most common method that banks and retail credit card issuers use to compute finance charges is the average daily balance (adb) method. you expect to actively use your card. which variation of the adb method will be least expensive for you? adb excluding new purchases adb including new purchases it doesn’t matter