Predicting the Right Drinking Water Purchase for Inventory Case Study Store
Keywords:
Forecasting, Drinking Water, InventoryAbstract
The purpose of this research is to compare methods for forecasting demand for purchasing appropriate drinking water products. of store case studies Located in Mueang Subdistrict, Mueang District, Phitsanulok Province. The results of the research found that 350 mL of drinking water is suitable for estimating the demand for drinking water using the exponential forecasting method. This is because louder methods provide the lowest tolerances. When compared to actual sales, the accuracy percentage is 95.20. 600 ml. drinking water and 1,500 ml. drinking water was appropriate to determine the demand for drinking water using the regression forecasting method. This is because louder methods provide the lowest tolerances. When compared with actual sales, the percentage accuracy was 99.60 and 99.11, respectively. The results from comparing inventory management costs found that the new inventory management resulted in reduced costs. This can reduce the amount of inventory management costs for 350 ml. of drinking water. Inventory management costs can be reduced by 1,244.17 baht or 23.96 percent. For 600 ml. drinking water, inventory management costs can be reduced by 15,028.13 baht. calculated as 34.82 percent and 1,500 ml of drinking water can reduce inventory management costs by 6,542.51 baht, calculated as 30.68 percent. From the above information, it can reduce inventory management costs in total by 22,814.81 baht, calculated as 32.75 percent.
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