Explain under what circumstances a merchant needs to provide consideration.

Write a 500-750-word essay that provides a basic overview of contract law as it relates to sales contracts.
Describe the elements of U.C.C. Article 2 sales contract formation.
Discuss potential bars (problems) to U.C.C. contract formation.
Explain how the U.C.C. Article 2 sales contract formation is different than common law contract formation.
Explain under what circumstances a merchant needs to provide consideration.