3.2 REQUIRED Calculate the following from the information provided below: 3.2.1 The total variable costs if 12 000 units are sold. 3.2.2 The number of units that must be sold to earn a net profit of R120 000, if the selling price is reduced by 10% and the variable cost per unit determined in question 3.2.1 remains unchanged. INFORMATION Simplex Limited, which manufactures only one product, provided the following information: Fixed costs per annum Selling price per unit Marginal income per unit (2 marks) (4 marks) R602 400 R180 R60