Honest question, do people add tips to McD in the US? Because then comparing the price payed by the customer in the transaction becomes closer, even higher if y

Honest question, do people add tips to McD in the US? Because then comparing the price payed by the customer in the transaction becomes closer, even higher if you factor in 20% tip. Denmark does not have a culture of tipping, it’s rarely done, primarily in very fancy restaurants and no one would ever tip or expect anyone to tip in a McD.