If Marge is told by a jeweler that a particular diamond priced at $$10,000$ in which she is interested in cannot be obtained anywhere else for under $$15,000,$ then the fact that she finds a diamond of comparable quality priced at $$8,000$ at another jewelry store later that day will entitle Marge to sue the first jeweler for:

Deceit.

Misrepresentation.

Breach of an express warranty.

Nothing.