Practice these cards and you'll ace it ! The formula for the operating profit margin will be given at the front of the answer booklet.Therefore, a target for a new business may be to survive in the first 12 months. A business might also struggle to survive if new competitors enter the market. Easy-to-understand homework and revision materials for your GCSE Business Edexcel '9-1' studies and exams. Print your template and you can keep it on your person, or fill it out at home each day. "". Press the 'enter' button, drag the fill handle to fill in the range. Easy-to-understand homework and revision materials for your GCSE Business Edexcel '9-1' studies and exams. Examples. Copy the example data in each of the following tables, and paste it in cell A1 of a new Excel worksheet. CAC is the cost related to acquiring a new customer.