Maximum Profit on the Electrical Appliance Store in Sidoarjo

This research is based on Microeconomic Theory about the quantity of production that provides maximum profit. The purpose of this research is to find out and analyze how much quantity of product (Q) for sale, which gives the maximum profit, in the Electrical Appliance StoreElectric Shop business in the suko market, suko village, sidoarjo-sidoarjo. Data is quantitative, sourced directly from the object of research (primary data). Data collection method using interview and documentation instruments in Oktober 2019 – March 2020 and the data presentedis sales data per month and the product we examne are Lamps. The analytical tool used is the Maximum Profit Analysis with the Total Approach which compares total revenue with total cost (TR – TC), and the Marginal Appoarch method, which is a condition where marginal revenue is equal to marginal cost (MR = MC). The results of this research are seen from the data that is already available, pointed MR> MC. That means the electrical equipment store “Ayu sell” has not reached the point of maximum profit.