Is the coke in the refrigerator of Penguin Hotel free or charged?

Coke in the hotel refrigerator is free.

In order to provide better customer service and increase customer satisfaction, Penguin Hotel will provide free drinks in the room, including cola, mineral water and juice. This kind of free beverage service is usually purchased by the hotel itself, not the items brought by the guests. Guests are free to take these free drinks in their rooms or ask the front desk for more purchase options and prices.