Monty buys a big screen television from Martha and agrees to pay her back with interest over the next three years. A year later, Monty decides to stop watching TV so he gives the TV to his friend Bo, assigning all his rights and delegating all his duties to Bo. Bo pays Martha for a few months and then stops, so she sues both Monty and Bo. Monty will be able to avoid liability if he can prove

	a.	That Martha granted an assignment.
	b.	That he was entitled to assign the contract with or without Martha's consent.
	c.	That he delegated all his duties to Bo.
	d.	None of these.