Today many retailers face high competition, therefore they have to operate in an efficient way. One aspect of efficiency is inventory. Many research on inventory is conducted intensively to get more realistic inventory model. In this paper, an inventory model was developed by considering pricing. Many retailers try to increase their profit by setting the best price for a single item, especially for some items that have high price-dependent demand. The customer demand depends on the price such household items. In the other side, some retailers face supply problems. Supplier often cannot supply products when the products needed on time. There is delay time between customer demand and products arrive at retailer warehouse. The retailer should determine the optimal price and replenishment time. There are some assumptions are used for the model. The first assumption, the demand is known and has constant elasticity. Second, there is stochastic replenishment period and demand that are not filled are lost sales. The model is developed mathematically and a numerical example is conducted to show how the model works. A sensitivity analysis is accomplished to get some management insight and some interesting result are derived. Keywords: deteriorating inventory model; genetic algorithm; stochastic time
Penelitian ini bertujuan untuk menganalisis dan mengetahui efektivitas dari sistem pengendalian internal penerimaan dan pengeluaran kas di Lembaga Perkreditan Desa (LPD) Pakraman Bayad, penelitian ini menggunakan metode analisis deskriptif kualitatif dengan sumber data yang digunakan adalah data primer. Penelitian ini menggunakan teknik pengumpulan data yaitu dengan melakukan observasi, wawancara, dan dokumentasi, dilaksanakan di tempat penelitian yaitu Lembaga Perkreditan Desa (LPD) Pakraman Bayad. Variabel yang digunakan adalah hal-hal yang berhubungan secara langsung dengan SPI penerimaan atau pun pengeluaran kas, berdasarkan pengujian menunjukkan bahwa: SPI penerimaan kas dan pengeluaran kas berdasarkan indikator dari teori fraud triangle dan teori COSO yaitu Lingkungan Pengendalian, Penentuan Resiko, Aktivitas Pengendalian, Informasi dan Komunikasi, Pengawasan atau pemantauan, belum sepenuhnya sesuai dengan teori yang digunakan.
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