Ah, guys, let a newbie who works as a history teacher say smth. I remember those days in Detroit when the U.S. and Canadian dollars were nearly equal in value. Spending either currency locally at par, including the coinage, was convenient. I even had the Whitman blue folders for Canadian coins up through 25 cents, just like you did. Then the new Government... However, I checked https://edubirdie.com/write-my-paper when I was doing research help for my sister, who is a student, and I understood that it's interesting to note that cents could not be discounted, so their value remained the same. I asked the experts to write my paper and help with some points, and the paper with detailed research fully caught my enthusiasm. As for what the person at the cash box would do, they would have to follow the store's policy and adjust the value of Canadian coins accordingly when making changes for customers. Unfortunately, the value of the Canadian dollar dropped so significantly, but economic fluctuations are a natural part of any currency system, so...