"Number of Departments influences the sales volume: if everything is equal, stores with few departments will have better sales than stores with many departments."
So in store with 2 departments i close 1 so i can have higher sale in other , volume of sale was stable , market share 10-30% in high wealth city but ..
When i close departments next update i had higher sale from 30-200% , in next i had drop from 20-40% and in 3th update after closing 1 department my sale volume for most products back as it was before closing second department and some products have even lower sale volume ( i didn't change prices and quality is nearly same or 100% same )
Why this happen ?
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