 Maybe you see the problem with this. All the time, customers would show up at the store and say, I lost my book. And Isidore would say to them, ah, it's okay. What do you think you owe? And then they'd say some not very high number, and he'd write it down and hand them a new book to take home. Years later, my dad became a certified public accountant. And this became one of those, the day Peter Parker got bit by the radioactive spider sort of origin stories.