Ben purchases a used standing desk from Sam for use in his new pandemic home office. After one year, one of the legs breaks, making the desk wobbly and impossible to work at. What of the following would be least helpful to Sam as a defense to a breach of warranty claim?

Group of answer choices

a.Ben did not serve notice of the breach of warranty within a reasonable time

b. A desk is not usually expected to last in good condition more than one year

c. Sam never explicitly guaranteed the quality of the desk

d. The desk was sold in a clearly marked "as-is" used furniture section