Madison is holding a birthday party for her daughter on October 15. On Sept. 1 hires Elsa to be present at the bash. The party is set for October 15, with Elsa to be paid $250 at the party. On Sept. 15, Madison hears plausible-sounding rumors that Elsa has recently canceled several other bookings at the last minute. You represent Madison. Would you advise Madison that she may immediately cancel the contract and hire someone else?