Con, Elizabeth's friend, is not well educated and suffers from an anxiety disorder. Con relies upon Elizabeth for advice and support. Con wants to sell his apartment, and Elizbeth agrees to buy the apartment from Con. Con accepts a price offered by Elizabeth, that is well below the market price for the apartment. Without seeking independent legal or financial advice, Con signs the contract of sale. Con's daughter Effie finds out about the transaction. Effie says that Con can ask a court to rescind the sale, because of Elizabeth's undue influence. Is Effie right? ( state relevant case law if necessary)