Acustomer pays you with 3 twenty dollar bills and 4 ones. in checking the currency, you notice that 1 of the twenty-dollar bills is counterfeit. you should:
a. return it to the customer telling him why
b. ask the customer to leave the store immediately
c. tear the counterfeit bill up and ask politely for another twenty
d. note the customer's description and any other identifying information

D. Note the customer's description and any other identifying information

Explanation:

The United States Secret Service recommends if you receive a counterfeit:

Do not return it to the passer.

Delay the passer if possible.

Observe the passer's description, as well as that of any companions, and the license plate numbers of any vehicles used.

Contact your local police department or United States Secret Service field office. These numbers can be found on the inside front page of your local telephone directory.

Write your initials and the date in the white border areas of the suspect note.

Limit the handling of the note. Carefully place it in a protective covering, such as an envelope.

Surrender the note or coin only to a properly identified police officer or a U.S. Secret Service special agent.

d. automatic stabilizers.

explanation: