Using the INVOICE table structure shown in Table 1, do the following: a. Draw the 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 any invoice number may reference more than one product. b. Remove all partial dependencies, draw the new dependency diagrams. Identify the normal forms for each table structure you created. c. Remove all transitive dependencies, draw the new dependency diagrams. Also identify the normal forms for each table structure you created. d. Draw the Crow's Foot ERD