B
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
Some businesses offer customers the option to pay for merchandise using their fingerprints as identification. Which of the following would most benefit customers that use this new technology?

### Choices:
A. cost of product is reduced
B. protection of private information
C. ability to track customer preferences
D. funds would be credited immediately

### Answer:
