I have made the above statements for the purpose of obtaining credit. I certify they are true and authorize you to make a credit investigation. Billings shall be issued once each month and payment will be due in full within 10 days of invoice date. I agree to pay a late charge of 1½ % per month (18% per year) or 50 cents minimum on any delinquent balances. THIS AGREEMENT INCLUDES THE TERMS AND CONDITIONS ON THE REVERSE SIDE HEREOF.