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All Journal Leibniz: Jurnal Matematika Indo-MathEdu Intellectuals Journal
Pasaribu, Monica
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Mathematics

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Optimalisasi Biaya Transportasi Pendistribusian Pasir Menggunakan Model Transportasi Metode Steppingstone (Studi Kasus: Tangkahan Pasir Syawal) Amelia, Aida; Dalimunthe, Juniati Suristiani; Pasaribu, Monica; Ritonga, Reza Febrianti; Pohan, Tiara
Indo-MathEdu Intellectuals Journal Vol. 5 No. 1 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i1.791

Abstract

Tangkahan Pasir Syawal is the largest mining or sand excavation business in Gunung Maria Hamlet, Janji Village, West Bilah District, Labuhanbatu Regency. This research aims to determine the optimization of transportation costs in sand distribution. To obtain the objectives of this research, data collection was carried out through direct interviews, while data analysis used the Vogel's Approximation Method (VAM) to determine the initial solution and to determine the optimal solution using the Stepping Stone method. From the research results, an initial solution of Rp. 6.310.000 and the optimal solution is Rp. 6.310.000. Meanwhile, transportation costs from Tangkahan Pasir Syawal before optimization were carried out were Rp. 9.425.000. This shows that Tangkahan Pasir Syawal can optimize transportation costs for sand distribution in November 2023 with cost savings of Rp. 3.115.000 or 4%.
Optimalisasi Biaya Transportasi Pendistribusian Pasir Menggunakan Model Transportasi Metode Steppingstone (Studi Kasus: Tangkahan Pasir Syawal) Amelia, Aida; Dalimunthe, Juniati Suristiani; Pasaribu, Monica; Ritonga, Reza Febrianti; Pohan, Tiara
Indo-MathEdu Intellectuals Journal Vol. 5 No. 1 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i1.791

Abstract

Tangkahan Pasir Syawal is the largest mining or sand excavation business in Gunung Maria Hamlet, Janji Village, West Bilah District, Labuhanbatu Regency. This research aims to determine the optimization of transportation costs in sand distribution. To obtain the objectives of this research, data collection was carried out through direct interviews, while data analysis used the Vogel's Approximation Method (VAM) to determine the initial solution and to determine the optimal solution using the Stepping Stone method. From the research results, an initial solution of Rp. 6.310.000 and the optimal solution is Rp. 6.310.000. Meanwhile, transportation costs from Tangkahan Pasir Syawal before optimization were carried out were Rp. 9.425.000. This shows that Tangkahan Pasir Syawal can optimize transportation costs for sand distribution in November 2023 with cost savings of Rp. 3.115.000 or 4%.
Implementasi Metode Just In Time Dalam Mengefisiensi Biaya Persediaan Bahan Baku Pasaribu, Monica; Siregar, Rosman
Leibniz: Jurnal Matematika Vol. 4 No. 1 (2024): Leibniz: Jurnal Matematika
Publisher : Program Studi Matematika - Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas San Pedro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59632/leibniz.v4i1.393

Abstract

Pengendalian persediaan adalah suatu kegiatan yang dapat memperkirakan jumlah persediaan dengan tepat, dengan jumlah yang tidak kurang atau tidak terlalu besar dibandingkan pada kebutuhan dan permintaan. Pengendalian persediaan dilakukan untuk memperoleh penghematan biaya persediaan dengan cara menjaga tingkat persediaan tersebut pada tingkat yang optimal. Salah satu cara mengurangi tingkat persediaan adalah dengan menggunakan metode Just In Time (JIT). Metode Just In Time (JIT) mengurangi tingkat persediaan sehingga dapat menekan biaya seefisien mungkin. Berdasarkan penelitian ini dapat dilihat bahwa dengan data yang sama tetapi menggunakan metode Just In Time (JIT) biaya persediaan bahan baku yang dikeluarkan lebih kecil daripada biaya yang dikeluarkan sebelumnya. Total biaya persediaan yang dikeluarkan sebelum menggunakan metode yaitu sebesar Rp32.359.000,00 dengan frekuensi pemesanan tiap bahan baku 24 kali dalam satu periode. Sedangkan dengan metode Economic Order Quantity (EOQ) biaya yang dikeluarkan sebesar Rp17.767.620,00 dengan frekuensi pemesanan bahan baku kedelai dan gula aren 13 kali dan 20 kali dalam satu periode. Menggunakan metode Just In Time (JIT) mengeluarkan biaya sebesar Rp8.883.810,00 dengan frekuensi pemesanan tiap bahan baku 4 kali dalam satu periode. Bedasarkan hasil perhitungan tersebut metode Just In Time (JIT) biaya persediaan yang dikeluarkan lebih efisien.
Optimalisasi Biaya Transportasi Pendistribusian Pasir Menggunakan Model Transportasi Metode Steppingstone (Studi Kasus: Tangkahan Pasir Syawal) Amelia, Aida; Dalimunthe, Juniati Suristiani; Pasaribu, Monica; Ritonga, Reza Febrianti; Pohan, Tiara
Indo-MathEdu Intellectuals Journal Vol. 5 No. 1 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i1.791

Abstract

Tangkahan Pasir Syawal is the largest mining or sand excavation business in Gunung Maria Hamlet, Janji Village, West Bilah District, Labuhanbatu Regency. This research aims to determine the optimization of transportation costs in sand distribution. To obtain the objectives of this research, data collection was carried out through direct interviews, while data analysis used the Vogel's Approximation Method (VAM) to determine the initial solution and to determine the optimal solution using the Stepping Stone method. From the research results, an initial solution of Rp. 6.310.000 and the optimal solution is Rp. 6.310.000. Meanwhile, transportation costs from Tangkahan Pasir Syawal before optimization were carried out were Rp. 9.425.000. This shows that Tangkahan Pasir Syawal can optimize transportation costs for sand distribution in November 2023 with cost savings of Rp. 3.115.000 or 4%.
Co-Authors Amelia, Aida Dalimunthe, Juniati Suristiani Pohan, Tiara Ritonga, Reza Febrianti Rosman Siregar