that's why in the amarian center as a specialized institution that focuses on this matter based on statistical methods, in general, we have a special office to design the chlorine sampling method for us, for example , what is happening now in connection with this issue of inflation, from several thousand stores in urban areas and rural areas. we do sampling 3 or 4 times a month. i said how many areas are there? i said, i think there are more than 4,000 urban areas and about 4 or 5,000. i don't remember the exact figures. different products and we do it so that we can monitor it once a month sampling can be done in our month from the workshops of the workshops in the stores we want to sample the average price growth in chlorine and according to the statistical methods and statistical experimental methods that we have , the estimates that we have with these methods are actually very large. yes, and we have checked the methods by the international organizations in the expert meetings, now it is like this that with these methods that explain your service based on statistical techniques derived fro