Billy Bob Orders a Custom "Ten Gallon Cowboy Hat",size 7

Multiple Choice

Billy Bob orders a custom "Ten Gallon Cowboy Hat",size 7 3/4 in black,from Cowpoke Outfitters.It's delivered C.O.D.to his home.When it's delivered,Billy Bob pays for the hat and then upon opening the package,discovers that it's a white size 7 1/4.Which of the following is the most accurate statement regarding Billy Bob's legal remedy in this situation?

A) Billy Bob can reject the hat as nonconforming.
B) Billy Bob cannot revoke his acceptance because he paid for it, which constitutes a non-revocable acceptance.
C) Billy Bob cannot revoke because he had a duty to inspect, and waiving his duty put him at risk.
D) Billy Bob cannot revoke because while style is important, color and size cannot be considered substantial impairments that constitute nonconformity.
E) Billy Bob can reject the hat and if so, must return it at his cost.