DAMPAK PENERAPAN JUST IN TIME TERHADAP PENINGKATAN EFISIENSI PEMBELIAN BAHAN BAKU STUDI KASUS PADA PT ARTHA ROYAL MANDIRI

Abstract

This research aimed to analyze the effect of Just In Time implementation on the improvement of buying efficiency of raw materials at PT Artha Royal Mandiri. The research was descriptive-qualitative, in which not only comparing but also analyzing the purchasing traditional method of raw material inventory and Just in Time implementation. Moreover, the instrument in the data collection technique used interviews which used direct questions in order to gain suitable information with researcher needs. The result showed that in 2019, the companies implemented the purchasing traditional method of raw material inventory. In the next year 2020, the companies implemented Just In Time in order to decrease its supply cost. Furthermore, based on the calculation of the traditional method per cubic meter was Rp. 90,870,649 While from the calculation of Just In Time was Rp 70,917,121. Therefore, there was the efficiency of raw material cost from Just In Time per cubic meter for about Rp. 19,953,528. This meant the percentage of efficiency of the traditional method and Just In Time was 21.95%. In conclusion, Just In Time was expected to be maintained in order to increase the efficiency of companies’ raw material inventory costs.