Jadual S3/Table Q3 Permintaan purata semasa masa pendulu (unit) Average demand during lead time (unit) Masa pendulu (bulan) Lead time (month) Kuantiti pesanan ekonomi (unit) Economic order quantity (unit) Selang ramalan (bulan) Forecast interval (month) Min sisihan mutlak bagi ralat ramalan Mean absolute deviation of forecast error Kebarangkalian diingini kehabisan stok Desired probability of stocking out 1,500 1 2,000 1 38 0.082 (i). Tentukan stok keselamatan yang diperlukan. Determine the safety stock required. (1 markah/marks) (ii). Tentukan titik pesanan semula. Determine the reorder point. (1 markah/marks) 5/9 KCEP4114 (iii). Tentukan tahap perkhidmatan pelanggan untuk dasar ini. Determine customer service level for this policy. (3 markah/marks) (iv). Apakah yang anda boleh putuskan mengenai peraturan keputusan yang perlu diwujudkan dalam membangunkan sistem kawalan inventori? What can you conclude on the decision rule that need to be established in developing the inventory control system? (2 markah/marks)