Facts: A paralegal is researching the law in State A as to what constitutes breach of contract in the delivery of widgets between the seller and buyer. The seller is the manufacturer of the widgets. The buyer is the owner of a retail establishment, which sells the widgets to members of the public.

1. Statute from State A that defines what constitutes breach of contract. Is this authority primary or secondary? Answer:

Is this authority mandatory or persuasive? Answer:

2. An article from California Jurisprudence, 3d discussing the elements of breach of contract. Is this authority primary or secondary? Answer:

Is this authority mandatory or persuasive? Answer:

3. A State B court of appeals decision interpreting its state statute as to what constitutes breach of contract.

Is this authority primary or secondary? Answer:

Is this authority mandatory or persuasive? Answer:

4. A decision from the highest court in State A analyzing the elements of breach of contract.

Is this authority primary or secondary? Answer:

Is this authority mandatory or persuasive? Answer:

5. A provision from the Uniform Commercial Code, which has not been adopted by the State A legislature, regarding what constitutes breach of contract among merchants. Is this authority primary or secondary? Answer:

Is this authority mandatory or persuasive? Answer:

6. A law review article analyzing breach of contract disputes.

Is this authority primary or secondary? Answer:

Is this authority mandatory or persuasive? Answer:

7. Under the authorities listed above in 1-6, which is the most authoritative?