Hunter, a minor, contacted Jones Auto, an automobile dealer in Massachusetts, to buy a car. He finalized on buying a Toyota Camry and applied for an auto loan. As Hunter is a minor, his loan documents had to be cosigned by an adult. Hunter's father cosigned the loan documents along with Hunter and the loan was approved. Hunter bought the car. Which of the following will take place if Hunter defaults on the loan?

a. Hunter's father can disaffirm the contract. b. Hunter and his father will be jointly liable for the contract. c. Hunter's father will be liable for the contract. d. Hunter can ratify part of the contract and disaffirm the rest.