Data related to the company's business activities over the past three months are as follows. January February March Ounit 100 80 20 20unit 90 90 20 20unit 80 100 0 Production and Sales : Basic product quantity Production quantity Sales quantity End-of-term product quantity Cost and selling price : Variable contribution cost per unit Fixed product cost variable sales control cost per unit fixed selling and administrative expenses selling price per unit 23 360 4 150 40 23 360 4 150 40 23 360 4 150 40 - Fixed manufacturing overhead costs are allocated on a monthly basis based on actual production quantity. - Quantity flow is applied with a first-in-first-out method Question 1. Calculate the operating profit by calculating the total cost and the variable cost