Условие:
In the retail stores of the "Shestorochka" chain, the retail price of Old Miller Light beer (glass bottle, 0.5 L) is 17 rubles. The purchase price, including delivery to the store, is 11 rubles. Therefore, the difference between retail and purchase prices is 6 rubles per bottle. The same (6 rubles) margin exists for other types of beer that are similar in price and quality.\nAnalysis of sales volumes in the previous two years showed that during the fall-winter period (October-March), with unchanged prices, monthly beer sales remain practically stable.\nThe "Shestorochka" retail chain includes 62 supermarkets in Moscow. The total monthly sales volume of "Old Miller Light" in October was 320,000 bottles, while the total sales volume of other types of beer amounted to 3,520,000 bottles.\nThe chain’s motto is ’low prices’. The customer base and income levels are approximately the same in all stores.
1. A pricing experiment is being conducted in Store No. 1 of the chain. In November, the price of a 0.5 L glass bottle of beer is reduced from 17 to 16 rubles. As a result, sales increase from 3,000 bottles in October to 3,300 bottles in November .\nWhat pricing recommendations can be made to the management of the retail chain based on this information?
2. A pricing experiment is being conducted in Store No. 2. In November, the price of a 0.5 L glass bottle of beer increases from 17 to 18 rubles. Sales decreased from 5,000 bottles in October to 4,250 bottles in November.\nAt the same time, sales of other types of alcoholic beer increase by 600 units, from 44,000 bottles in October to 44,600 in November (the unit of measurement is a 0.5 L container).\nWhat pricing recommendations can be made to the management of the retail chain based on this information?
3. How will the profit from beer sales in all chain stores change if your recommendations are implemented?

