According to an article on nbcnews.com, in Sweden, “Shoe stores, clothing shops and restaurants are increasingly reliant on card-only or mobile banking transactions, and some—like the brand Swedish Hasbeens—don’t even have cash registers.”

a. What are the benefits to a store or restaurant refusing to accept cash as payment from customers? What are the costs?
b. How might a store go about measuring the costs and benefits in making a decision about whether to go cashless?