Based on the excerpt below, infer why suppliers may only give small, promotional items as gifts.As the holiday season approaches, we would like to remind you of our Supplier Code of Conduct. Our employees who are involved in procurement decisions may not accept any business courtesies, with the exception of very low value promotional items. As in any business relationship, our suppliers must ensure that the offering or receipt of any gift or business courtesy does not violate the rules and standards of the recipient's organization. We look forward to continuing a long and mutually beneficial business relationship and appreciate your cooperation on this.