Martha's MasterCard bill contained several charges that she had not made. Upon investigation, she discovered that her credit card was missing from her wallet. She immediately notified the bank of the lost credit card. Marthas credit card has a place for her signature on the back of the card, but Martha never signed it. The unauthorized charges on the bill that she received amounted to $375. Did Martha have to pay the full amount of the bill? Fully explain. What would happen if Marthas debit card was stolen and unauthorized charges of $375 were made? Would Martha be responsible for paying that bill? Fully explain your answer, including an explanation of the law that applies.