Principles of trading

Beer is supplied from the breweries two or three times a week. It is brought in special barrels with 30 litres capacity. The barrels are kept in a separate room with custom temperature regime. The beer is poured into disposable ware that is available in stores. Following capacities of ware are available: 0.5, 1.0, 1.5, 2.0 and 3.0 litres. Cost of ware is included into the price of beer.