Study the information provided below and answer the following questions: If the sales manager's proposal is rejected, calculate the total revenues at break-even by using the contribution margin ratio. (4 marks) 3.1.2 Calculate the additional expenditure that the company can afford to spend on advertising, in keeping with the sales manager's proposal. (4 marks) 3.1.3 Calculate the break-even quantity if the sales manager's proposal is accepted (using the proposed new selling price and the increase in the advertising outlay). (4 marks) INFORMATION Denel Enterprises manufactures a product that sells for R180 each. The company presently produces and sells 120 000 units per year. Unit variable manufacturing expenses and variable selling expenses are R90 and 10% of the sales price respectively. Fixed costs are R4 536 000 for manufacturing overheads and R1 944 000 for selling and administrative activities. The sales manager has proposed that the price be increased to R216 per unit. To maintain the present sales volume, advertising must be increased. The company's profit objective is 10% of sales