Laptop Assembly Company Gives a $3,000 Promissory Note to My-T-Fast

Laptop Assembly Company gives a $3,000 promissory note to My-T-Fast Delivery Service to de?liver a load of computer chips to Laptop's plant.The chips are contami?nated during transit,and are useless to Laptop on delivery.If My-T-Fast presents the note for payment

A) Laptop's best defense would be breach of warranty.
B) Laptop must pay the note.
C) Laptop's best defense would be nondelivery of an instrument.
D) Laptop's best defense would be failure of consideration.