Scott needs his cars washed by tomorrow afternoon, so he calls Betty and tells her he'll pay her $$100$ if she washes both his cars the next morning. Betty tells Scott, "I'll do it if I wake up on time." Assuming these facts, what result?

Multiple choice question.

Betty is bound by a contract to wash Scott's car.

Betty's promise serves as consideration.

Scott's promise to pay Betty $$100$ is illusory.

Betty has not promised to wash Scott's cars.