I think technology has whittled away any remaining mental effort required to be a cashier. I remember growing up, cashiers needed to know the price of every si

I think technology has whittled away any remaining mental effort required to be a cashier. I remember growing up, cashiers needed to know the price of every single vegetable (no PLUs) and fruit. Prices were labelled on boxes, but otherwise memorization was required. Then you had to make change, too, although by that point the amount was already calculated.