5. What is the author's purpose in paragraphs 15-16 A. to advocate bringing back big bills to use in emergencies B. to emphasize that bringing back 500 bills will create crime C. to encourage people to always travel with emergency supplies D. to suggest that people switch from online banking to using cash

The information provided does not include the content of paragraphs . To determine the author's purpose accurately, I would need the specific content of those paragraphs. Please provide the relevant text from paragraphs , and I will be happy to assist you with the correct answer.