Explain Contracts- UCC Article 2 and Grocery Inc

Scenario: Grocery, Inc., is a retail grocery store chain based in Any State, U.S.A. Grocery has stores throughout the United States. Grocery has written contracts with many different vendors to purchase the products they sell in their stores. Vendors range from individuals to international corporations. Tom Green works as the produce manager for the store in My Town, U.S.A. Jeff Fresh, 17 years old, is spending his summer vacation working for Tom in the produce department.

I need help on this problem

1.) Does Article 2 of the Uniform Commercial Code (UCC) apply to the contracts between Grocery and its vendors? Do common law contracts apply? Explain, in detail, why or why not. Compare and contrast common law contracts and UCC Article 2 contracts.

2.) Discuss the different warranties that apply to Grocery's business. Explain your answer in detail.