Some economists have suggested that someday we will live in a cashless society, in which all businesses

Question:

Some economists have suggested that someday we will live in a "cashless society," in which all businesses (including stores) and banks will be linked to a centralized accounting system. In this system you will be able to pay for purchases directly from your bank account without using cash. What are the costs of anticipated inflation in a cashless society? What are the costs of unanticipated inflation?