This document discusses break-even analysis for three companies. Break-even analysis is used to predict when a business will start making a profit by determining the sales volume needed to cover total costs. It provides the break-even point in units and sales for each company. Company 1 produces bricks and has a break-even point of 10,000 units or Rs. 80,000 in sales. Company 2 produces concrete and has a break-even point of 400 tons or Rs. 333,200 in sales. Company 3 manufactures windows and doors and has a break-even point of 900 units or Rs. 162,000 in sales.