what is correct ?

Carrie posted an ad on Kjiji, "two cases of canned spaghetti $50". Timmy replied to the add offering Carrie $50. Carrie emailed Timmy confirming their arrangements. Timmy arrives at Carrie's door to pick up the food, To Carrie's surprise, Timmy is 12 years old. He explains that he does not have a home and used a computer at the library to send his email. He says that he is awfully hungry and looking forward to the spaghetti. What are Carrie's legal rights? The sale can proceed as long as Timmy has the money to pay. The sale is not valid because Timmy is being naughty The sale is not valid because Timmy lacks capacity. The sale is not valid because Timmy should be in the care of Child and Family Services. Contracts Aliand lim