FORECASTING SYSTEM OF GOODS SALES USING EXPONENTIAL SMOOTHING FORECASTING METHOD IN WAROENG BINGKAI

Abstract

Waroeng Bingkai is a company engaged in trading and service, which deals with the sale of various types of frames. All transactions in the business process at Waroeng Bingkai are done manually, recording on a piece of paper, of course this is very risky, because it is easy for the media to be lost and damaged which will result in data loss and inaccurate transactions. When procuring stock, the owner determines the amount of procurement based on observations on the warehouse by looking at the stock that will run out. This information system is designed with the waterfall method so as to produce, system design to be developed, context diagrams, usecase diagrams. This information system can be used by owner, warehouse admin, and sales admin, which aims to manage inventory, goods data, goods in and out, and print reports. For procurement of goods, forecasting exponential smoothing method is used to predict the number of sales in the following month. From the results of data analysis, in this case the suitable forecasting is forcasting exponential smoothing with a constant value of