1, cost-related data; All the data related to the product cost of your unit should be counted one by one to form a report; This can be put forward by the financial department for statistics;
2. Management needs data. Some data do not directly constitute the cost, but phased control can reduce or stabilize the cost or improve or stabilize the quality. This can be put forward by the relevant departments, what data are needed, and then statistics.
Each unit is very different, so there is no reproducibility.