3.1 REQUIRED Study the information given below and answer the following questions independently. As far as possible, use the expanded contribution margin model to present your answers. 3.1.1 Calculate the break-even quantity. (5 marks) 3.1.2 Calculate the sales volume required to achieve an operating profit of R2 484000 . (4 marks) 3.1.3 Suppose the management team of Timera Enterprises is considering a decrease of R18 per unit in the selling price of the product, with the expectation that this would increase the sales volume by 12%. Is this a good idea? Motivate your answer with the relevant calculations. (5 marks) 3.1.4 Determine the selling price per unit (expressed to the nearest cent) that will enable Timera Enterprises to break even. (5 marks) INFORMATION