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All Journal JRSI (Jurnal Rekayasa Sistem dan Industri)
Rofifah Rasul
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Computer Science & IT Control & Systems Engineering Industrial & Manufacturing Engineering

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Analysis of Product Inventory Control using Continuous Review System Q Method and Periodic Review System P Method to Minimize Inventory Costs Irwan Setiawan; Rofifah Rasul; Muhammad Rusman
Jurnal Rekayasa Sistem & Industri (JRSI) Vol 10 No 01 (2023): Jurnal Rekayasa Sistem & Industri - Juni 2023
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jrsi.v10i01.622

Abstract

Toko X merupakan toko yang menjual produk busana muslim. Pada salah satu toko cabang dari Toko X terdapat fenomena yang sering terjadi yakni kekurangan stok dari produk jilbab berbahan jetblack. Fenomena tersebut memberi dampak negatif kepada perusahaan, yakni hilangnya kesempatan dalam memperoleh profit dan menaikkan biaya persediaan. Berdasarkan pernyataan tersebut diketahui bahwa salah satu cabang dari Toko X belum mempunyai sistem persediaan yang baik sehingga perlu diterapkan metode persediaan yang optimal dan dapat meminimalkan biaya persediaan. Penelitian ini menggunakan pendekatan kuantitatif dengan metode pengumpulan data wawancara, studi pustaka, dan data historis perusahaan. Metode analisis data yang digunakan adalah metode SMA, WMA, dan SES dengan masing-masing dua kondisi. Serta digunakan metode Continuous Review System (Metode Q) dan metode Periodic Review System (Metode P) untuk perhitungan kebijakan persediaan serta total biaya persediaan. Berdasarkan hasil penelitian diperoleh metode Q menentukan kuantitas lot pemesanan optimal serta titik harus melakukan pemesanan barang kembali. Hal tersebut mengakibatkan stok di gudang selalu terisi kembali tepat waktu sehingga tidak terjadi kelebihan maupun kekurangan persediaan dan permintaan pelanggan dapat terpenuhi dengan begitu biaya persediaan dapat diminimalkan. Berdasarkan pernyataan tersebut dinyatakan bahwa metode Q sesuai diterapkan perusahaan karena memberikan kebijakan persediaan optimal dan meminimalkan biaya persediaan sebesar 5,90% atau Rp44.771.467 dari biaya perusahaan.
Analysis of Product Inventory Control using Continuous Review System (Q Method) and Periodic Review System (P Method) to Minimize Inventory Costs Irwan Setiawan; Rofifah Rasul; Muhammad Rusman
Jurnal Rekayasa Sistem & Industri Vol 10 No 01 (2023): Jurnal Rekayasa Sistem & Industri
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jrsi.v10i01.622

Abstract

Store X is a store that sells muslim fashion products. There is a phenomenon that often occurs in one of StoreX's branches, such as the shortage of jetblack hijab products in stock. This phenomenon results in thecompany's loss of opportunity to gain profit and has an impact on high inventory costs. Based on this, it isknown that one of Store X’s branches does not yet have a good inventory system, so it is necessary to applyoptimal inventory methods and minimize inventory costs. This study uses a quantitative approach to datacollection methods of interviews, literature studies, and company historical data. The data analysis methodused is the SMA, WMA, and SES methods with each of the two conditions. As well as using the ContinuousReview System method (Q method) and the Periodic Review System method (P method) for the calculationof inventory policy and total inventory costs. Based on the results of the study, it was found that the Q methoddetermines the optimal ordering lot quantity and the point of having to reorder goods. This resulted in thestock in the warehouse always being replenished on time so that there were no excess or shortage of inventoryand customer requests could be fulfilled so that inventory costs could be minimized. Based on this statement,it is stated that the Q method is suitable for the company because it provides an optimal inventory policy andminimizes inventory costs by 5.90% or IDR 44,771,467 of company costs.
Co-Authors Irwan Setiawan Muhammad Rusman Muhammad Rusman