How many tables in a database are needed to "normalize" the following information found on a sales order: SALES ORDER Customer #: 5965 SO#: 1918 Date: 23-Sep Customer: ABC Electrics Address: NY, NY Contact: A. Malloy Item # Description 5560 Energy Management Device 8" 2723 Smart Home Controller 240v Qty 8 9 Price Extended Price 39.98 319.84 499.99 4499.91 Total 4819.75 Descriptive text: sales order that has the following key information: Sales Order #, Sales Order date, Customer #. Customer Name, Item #, Description, Quantity. Price, Extended Price, Total 3 Descriptive text: sales order that has the following key information: Sales Order #, Sales Order date, Customer #. Customer Name, Item #. Description, Quantity, Price, Extended Price, Total 3 2 5