INV_NUM 211347 211347 PROD_NUM AA-E3422QW QD-300932X SALE_DATE 15-Jan-2018 ATTRIBUTE SAMPLE VALUE SAMPLE VALUE SAMPLE VALUE SAMPLE VALUE NAME 15-Jan-2018 SAMPLE VALUE 211349 GH-778345P 16-Jan-2018 211347 RU-995748G 211348 AA-E3422QW 15-Jan-2018 15-Jan-2018 PROD_LABEL Rotary sander 0.25-in. drill bit Band saw Rotary sander Power drill VEND_CODE 211 211 309 211 157 VEND_NAME NeverFail, Inc. NeverFail, Inc. BeGood, Inc. NeverFail, Inc. ToughGo, Inc. QUANT SOLD 1 PROD_PRICE $49.95 8 1 2 1 $3.45 $39.99 $49.95 $87.75 a. Write the relational schema, draw its dependency diagram, and identify all dependencies, including all partial and transitive dependencies. You can assume that the table does not contain repeating groups and that an invoice number ref- erences more than one product. (Hint: This table uses a composite primary key.) b. Remove all partial dependencies, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created.