Penerapan Economic Order Quantity untuk Optimasi Persediaan Air Accu Zure di PT Kharisma Surya Semesta
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Penelitian ini bertujuan untuk menganalisis pengendalian persediaan bahan baku Air Accu Zure pada PT. Kharisma Surya Semesta dengan menerapkan metode Economic Order Quantity (EOQ), serta menentukan safety stock dan reorder point yang optimal untuk meningkatkan efisiensi biaya dan menjaga ketersediaan bahan baku. Permasalahan yang terjadi adalah perusahaan melakukan pemesanan bahan baku secara rutin sebanyak 24 kali dalam satu tahun tanpa menetapkan safety stock dan reorder point, sehingga terjadi kekurangan persediaan pada beberapa periode. Penelitian menggunakan pendekatan deskriptif kuantitatif dengan data persediaan, pembelian, penggunaan bahan baku, biaya pemesanan, biaya penyimpanan, dan lead time. Hasil penelitian menunjukkan bahwa kuantitas pemesanan optimal berdasarkan metode EOQ adalah 434,63 botol atau dibulatkan menjadi 435 botol setiap kali pemesanan. Safety stock yang direkomendasikan sebesar 13 botol, reorder point 23 botol, dan maximum inventory 448 botol. Total biaya persediaan berdasarkan kebijakan perusahaan sebesar Rp743.612,50 per tahun, sedangkan dengan metode EOQ sebesar Rp260.775,77 per tahun. Dengan demikian, penerapan EOQ menghasilkan penghematan sebesar Rp482.836,73 atau 64,93%.
Application of Economic Order Quantity (EOQ) for Optimizing Zure Battery Water Inventory at PT Kharisma Surya Semesta
Abstract
This study aims to analyze raw material inventory control for Air Accu Zure at PT. Kharisma Surya Semesta using the Economic Order Quantity (EOQ) method and to determine optimal safety stock and reorder point to improve cost efficiency and maintain material availability. The company routinely placed orders 24 times per year without establishing safety stock and reorder point, resulting in inventory shortages in several periods. A descriptive quantitative approach was used with inventory, purchasing, usage, ordering cost, holding cost, and lead-time data. The results show that the optimal EOQ was 434.63 bottles, rounded to 435 bottles per order. Recommended safety stock was 13 bottles, reorder point was 23 bottles, and maximum inventory was 448 bottles. The company’s inventory cost was Rp743,612.50 per year, while the EOQ-based cost was Rp260,775.77 per year. Therefore, EOQ generated savings of Rp482,836.73 or 64.93%.
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