We believe that our firm is financially able to meet any committments we have made and we expect to pay your invoices according to your terms. In the event of non-payment we agree to pay in addition to the principal amounts due all collection charges, incurred by Seller, including charges made by a collection agent up to but not exceeding 30% of the principal balance due and, in the event of suit, reasonable attorneys fees and court costs. The undersigned further agrees to pay a service charge at the rate of 1-1/2% per month commencing the first day following due date not to exceed 18% per year.