STORE (Brand, Product, Size, Aisle) Brand Product Bush's beans(canned) Heinz beans (canned) Bush's beans(canned) Mrs. Paul's Chicken sticks Bush's catsup Bush's beans Sauce Size #4 can #6 can #6 can 60 pieces Aisle 7 7 pint beef 9 7 #4 can a. What is (are) the superkey(s) candidate key(s) for the STORE relation? Please show your answer using the following table. Superkey Candidate Key Brand Product Size Aisle (Brand, Product) Brand, Size) (Brand, Aisle) (Product, Size) (Product, Aisle) (Size, Aisle) (Brand, Product, Size) (Brand, product, Aisle) (Brand, Size, Aisle) (Product, Size, Aisle) (Brand, Product, Size, Aisle) b. What is the primary key of the STORE Relation? c. What is the relational normal form of the STORE relation? Please explain why it is not in the next highest normal form unless it is already Normal form unless it is already in Boyce-Codd Normal Form