The undersigned hereby acknowledges that the credit to be extended will be accumulated over a period of one month and that payment for such charges will be made within ten days following receipt of a monthly invoice. An additional 2% service charge (or maximum permitted by applicable state law) will be charged to all accounts not paid within 30 days after due date and similarly each month thereafter until paid. The undersigned agrees in addition to pay any and all costs of collection fees, including attorney fees incurred by Bland Recycling LLC in the collection of a past due account.