The other day, I spotted a peculiar sign at a coastal restaurant that made me do a double-take. A surcharge for every payment method? Not just the usual weekend or public holiday loading, but an additional fee regardless of whether you’re paying by card or cash, any day of the week. Something didn’t add up.

Let’s break down this mathematical creativity: 3% surcharge on weekdays, 10% on weekends, and a whopping 20% on public holidays. All this before you even decide how to pay. It’s like being charged extra for the privilege of… well, being a customer.