Fact Pattern 15-4 in Selling a Commercial Building, Riley Tells Sam That the Sam

Fact Pattern 15-4
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 Sam-he was only trying to make a sale. This is

A) ​a mistake of value.
B) ​a valid defense to a charge of fraud.
C) ​misrepresentation.
D) ​unconscionable.