ANDHANY SHIDIQ, SABTI (2015) PENGEMBANGAN MODEL PERSEDIAAN SINGLE ITEM DENGAN MEMPERTIMBANGKAN FAKTOR INCREMENTAL DISCOUNT, KADALUWARSA, DAN PENUNDAAN PEMBAYARAN. Other thesis, UPN ''VETERAN'' YOGYAKARTA.
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Abstract
Supermarket Pamella merupakan salah satu tempat usaha industri dalam bidang retail.
Produk yang dijual berupa kebutuhan sehari-hari yang dibutuhkan oleh konsumen, baik produk
sembako maupun produk kebutuhan lainnya. Selama menjalankan usahanya, Supermarket
Pamella menjalin kerjasama dengan beberapa supplier seperti kontrak kerjasama yang
disesuaikan dengan kebutuhan Supermarket Pamella, kontrak kerja sama situasional seperti
menitip barang, sewa counter, dan kontrak kerja sama regular. Akibat dari beberapa bentuk
kontrak kerjasama yang dijalin, maka bentuk sistem pembayarannya juga dilakukan berbedabeda.
Pada penelitian ini dimodelkan persediaan single item dengan mempertimbangkan faktor
incremental discount, kadaluwarsa, dan penundaan pembayaran. Model persediaan yang
diusulkan mengacu pada model persediaan Goyal (1985) mengenai penundaan dalam
pembayaran, model persediaan Tersine (1994) tentang faktor incremental discount, dan produk
kadaluwarsa model Lukito (2008). Penelitian ini berdasarkan kontrak kerja sama supplier yang
disesuaikan dengan kebutuhan Supermarket Pamella. Salah satu produk yang menjalin kerja
sama ini adalah produk coca cola 1,5 liter.
Validasi model terhadap model usulan menggunakan trial and error dengan 25 iterasi.
Iterasi yang dipilih sebagai total biaya persediaan paling minimal (TC) adalah iterasi ke-8 dengan
menghasilkan jumlah produk kadaluwarsa minimal dan total biaya persediaan minimal. Total
biaya persediaan minimal sebesar Rp 38083920,00 yang dihasilkan dari kuantitas pemesanan
optimal ( ∗) sebesar 2575 unit, jumlah produk kadaluwarsa ( ∗) sebesar 970 unit, dan waktu
pemesanan dilakukan ( ∗) sebesar 0,44 tahun sama dengan 161 hari.
Kata kunci : model deterministik, single item, faktor incremental discount, kadaluwarsa,
penundaan pembayaran, tanpa retur.
Pamella Supermarket is one place of business in the retail industry. Products sold in the
form of daily necessities needed by consumers, both basic food products as well as products of
other needs. During the operations, Pamella Supermarket cooperates with several suppliers such
as equal employment contracts that are tailored to the needs of Pamella Supermarket, situational
cooperation contract as entrusted goods, rental counter, and regular cooperation contract. As a
result of some form of contract this agreement, then the form of the payment system is also done
different.
In this study, single-item inventory modeled by considering the incremental discount
factor, expiration, and delayed payments. The proposed inventory model refers to the inventory
model by Goyal (1985) regarding the delay in payment, the inventory model by Tersine (1994)
on the incremental discount factor, and the product expiration by Lukito models (2008). This
study is based on a cooperation contract suppliers that are tailored to the needs of Pamella
Supermarket. One product that collaborates is a 1.5 liter coca cola product.
Validation of the model to the proposed model performed use trial and error with 25
iterations. Iterations were selected as the most minimum total inventory cost (TC) is the 8th
iteration to produce a minimal amount of expired products and total inventory cost is minimal.
The total cost of inventory at a minimum of Rp 38083920,00 resulting from the optimal order
quantity ( ∗) amounted to 2575 units, the number of expired products ( ∗) amounted to 970
units, and the time to reservation is made ( ∗) of 0.44 the same year with 161 days.
Key words : deterministic model, single item, incremental discount factor,
expiration, delayed payments, with no returns.
| Item Type: | Thesis (Other) |
|---|---|
| Subjek: | T Technology > TS Manufactures |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Erny Azyanti |
| Date Deposited: | 24 Aug 2016 07:25 |
| Last Modified: | 24 Aug 2016 07:25 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/5673 |
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