The plaintiff, Brenner, entered into a contract with the defendant, Little Red School House, Ltd., which stated that in return for a nonrefundable tuition of $1,080, Brenner’s son could attend the defendant’s school for a year. When Brenner’s ex-wife refused to enroll their son, the plaintiff sought and received a verbal promise of a refund. The defendant now refuses to refund the plaintiff ’s money for lack of consideration.

Did mutual consideration exist between the parties?

Explain.