Hello. Many thanks for such discussion. This is not a homework 🙂 , this is only a part of a project which runs proc pareto, defines the the classes of goods and finally counts the stocks of the approoprite models in warehouses and adds them to the main ABC-pareto report respectively. As it is a report for logistics , it should be generated every day, and sometimes for the last periods(a day or several days), that is why I supposed a macro should be written. so, the method that Reeza suggests works for counting the appropriate stocks. Many thanks. 🙂
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