Raw material procurement policies play an important role in the production activities of a company. In order to maintain customer trust, PT. XYZ is very concerned about quality and timeliness products it produces. This research was conducted analyze raw apply Economic Order Quantity (EOQ) method which considered effective as measure optimize inventory control efforts minimize total costs. study...

This study aims to determine the optimal frequency of purchasing raw materials for Cup 220 ml and Straw using Economic Order Quantity (EOQ) method at PT. Bandangantirta Agung, Harvest Dew Prosperity Mandrapurna Aditama. The type data used is quantitative data, with qualitative research methods. results obtained purchases from three companies, PT Panen Embun Kemakmuran which get compared other c...

Keqi Yan: Fluid Models for Production-Inventory Systems (Under the direction of Professor Vidyadhar G. Kulkarni) We consider a single stage production-inventory system whose production and demand rates are modulated by a finite state Markov chain called the environment. Supplementary orders can be placed from external suppliers when needed. We model this system by a fluid-flow system and derive...

The classic Economic Order Quantity model assumes that an order is paid for at the time of its receipt. In practice, suppliers may require purchasers to pay a fraction of the order’s cost in advance and sometimes allow them to divide the prepayment into multiple equalsized parts to be paid during a fixed lead time. In this paper, an EOQ model with multiple prepayments under three different cond...