1.Angelina told her son Bruno that "if you clean my car's interior and exterior, I'll give you $50." Bruno responded: "I'll think about it." Bruno in need of pocket money but short on time, only cleaned the exterior, and said "I'm done."

a)Explain to Bruno, taking into account the nature of the contract whether he can enforce the promise owed to him by his mother, Angelina?

b)If Angelina, before Bruno had started cleaning the car, had rejected her offer could Bruno clean the car and enforce the promise? Explain.

[HINT - unilateral contracts/promise]