Refreshed and updated PowerPoint resources aimed at assisting teachers with the delivery of the CAIE (9609) A-level Business specification. These slides are designed to support the delivery of 5.4.4 Break-Even Analysis. The presentation starts with the meaning and importance of break-even analysis to a business.  It then considers the calculation and interpretation of break-even level of output, contribution, margin of safety and level of profit in both graphical and numerical form.  It concludes with an examination of the uses and limitations of break-even analysis.  The slides contain the Quick Fire Five questions, as well as several practice calculation questions (all with solutions).