Order the following purchasing process tasks in order from the start (1) to the end (7). Determination by Purchasing to fulfill internal customer needs with a supplier the firm already has an existing contractual relationship with, or approach a new supplier that is not currently qualified to provide products and services to the firm. The physical transmital of the purchase requirements involving the shipping and receiving processes requiring several important documents. Review of the spending pattern of the organization and prepare a forecast of what will need to be purchased. Making a record of critical events associated with the purchase is entered into a supplier performance database. Cumulating records over an extended period of time helps Purchasing to identify trends or patterns in supplier performance. Issuance of authorization from Purchasing for the product or service. to be purchased. Payment made through the firm's organization's accounts payable department. Communication to Purchasing from internal customers identifying what products or services they need and when they will need them