Please create a narrative/summary for the given business process diagram.

Sales Order Process Warehouse Sales Credit Shipping Inventory Control A/R Customer Customer Accounts Accounts Receivable Verify inventory on hand Ship goods, mark order complete, and notify customer Update inventory records Update A/R records Sales Orders Credit check Yes Sufficient inventory? Inventory Credit purchase? Accounts Receivable No Approved credit? Packing slip Yes Revise sales order and notify customer Request payment Carrier Customer Fill order Sales Orders Sales Orders No Yes Payment received? Packing slip Mark sales order as cancelled and notify customer Approve sales order and notify customer Customer Sales Orders Customer