Which of the Following Would Be an Economic Explanation of How

Multiple Choice

Which of the following would be an economic explanation of how "99¢ pricing" was developed?

A) It was a sales gimmick that sellers used to try to fool their customers.
B) It was encouraged by a penny newspaper to increase the number of pennies in circulation.
C) It was a scheme to let firms advertise that their prices were under some round dollar figure.
D) It was a way of ensuring that sales were recorded on cash registers,thus reducing employee theft.