3. Normalization (2 pts.) Identify and list all the partial dependencies in the sample INVOICE table below. (Primary Key: [INV_NUM,PROD NUM]) Attribute Name Sample Value Sample Value Sample Value Sample Value Sample Value INV NUM PROD-NUM SALEDATE PROD_LABELRotary sander0.25-in. drill bitBand saw VENDCODE 211 VEND_NAMENeverFail, Inc. NeverFail, Inc.BeGood, Inc 211347 211347 15-Jan-2006 211 211347 211348 211349 16-Jan-2006 157 AA-E34220W QD-300932XRU-995748GAA-E3422QW GH-778345P 15-Jan-2006 15-Jan-2006 15-Jan-2006 Rotary sander Power drill 211 NeverFail, Inc. ToughGo, Inc 2 $49.95 309 UANT SOLD 1 PROD_PRICE $49.95 $3.45 $39.99 $87.75