Suppose Bill's credit card is stolen and he notified his credit card company of this fact. Which of the following is true regarding the amount of unauthorized charges made before Bill notified his credit card company?

A) Bill is not responsible for any of the unathorized charges.
B) Bill is responsible for the first $50 of unathorized charges.
C) Bill is responsible for the first $100 of unauthorized charges.
D) Bill is responsible for ?half of the unauthorized charges.

B