In selling a commercial building, Riley tells Sam that the property has a certain capacity, making it suitable for a nightclub. Riley knows nothing about the capacity of the building, but it is not as he specifies. Sam buys the building. Refer to Fact Pattern 15-4. On learning the truth, Sam confronts Riley, who says he was not trying to fool Samhe was only trying to make a sale. This is a. a valid defense to a charge of fraud. b. unconscionable. c. a mistake of value. d. misrepresentation