Two menu items at Costco’s food courts have gone up in price, increases which ranged in price from 10 cents to $1, media outlets confirmed this month. 01 The Chicken Bake Close-up of signs listing prices at Costco food court. 02 20-Ounce Soft Drinks Pepsi bottles (Igor Golovniov/SOPA Images/LightRocket via Getty Images) Also at the food court, the price of a 20-ounce fountain drink (with refill) has increased by 10 cents — or about 17% — from $0.59 to $0.69.