I recently had someone who tried four times to give me the correct change before her manager stepped in.
I remember a financial article that mentioned the insidious math that caused an investor to lose money when the market went up 10% and then down 10%.
I wonder if Safeway still has the machine on the counter that dispenses the coins in a customer’s change. The cashier only had to deal with the bills. Debit and EBT cards make it even easier on the currency-challenged. Digital currency will finish us all off.