Answer:
a. Observance of reasonable commercial standards of fair dealing
Explanation:
As Richard owns and operates a small business at an outdoor market where he sells fruits and vegetables. UCC specifically require Richard with respect to his customers to treat them equally and fairly and he should not be involved in any kind of cheating and misleading the customers in any way and at any level. Customers should be proved with the quality and fresh fruits and vegetables at the reasonable mentioned and set prices.
