U.S. paper currency is made with several features that are difficult to counterfeit, including a security thread, color shifting ink, micro printing, a portrait, a watermark, and a fine-line printing pattern. As duplication technology, however, continually improves and more and more counterfeits are circulated, what will happen to the following?

a. The value of money circulated.

b. The volume of cashless transactions.

c. The amount of money the U.S. Treasury spends to introduce additional security measures.