What's The Point?

Like most point programs, the redemptions are in levels of 5. Guy comes and his total is about 8 bucks. He says he doesn't want to spend any money so isn't there anything we can do to fix the total in the register to make it 10 exactly. Er... no! Well, then he asks what if he gets something that doesn't add up to ten, exactly? I explain he'll have to pay however many cents over it is. He gives me an annoyed look and says he needs to go take out money. Wow! Lol!