If you pay off the full amount of credit you used within the grace period, there are no additional interest charges. (lendedu.com)
Your FICO scores are determined by a number of things but most importantly how timely your credit is paid and the overall amount of credit used as compared to your credit lines available. (nationalcreditfederation.com)
Merchant / Creditor name, Subscriber Number, account number, Date opened, Date closed, Current Balance, Highest credit limit, Highest amount of credit used, and your Repayment History. (credit-aid.com)