Ross Limited manufactures and sells a single product. You were provided with the following information for the financial year ending 31 December 2023 of Ross Limited: Units sold and produced Total direct material cost Total direct labour cost Variable manufacturing overheads Fixed manufacturing overheads Fixed administration cost Variable marketing cost Commission paid 4% of sales REQUIRED: 1.1 Based on the information provided above, calculate the following: 1.1.1 Contribution per unit 1.1.2 Contribution ratio 1.1.3 Break-even units 1.1.4 Break-even value 1.1.5 Margin of safety units 1.1.6 Margin of safety value 1.1.7 Margin of safety ratio 8 000 R42 000 R60 000 R20 000 R68 000 R72 000 R36 000 R16 000 (9 marks) (2 marks) (2 marks) (1 mark) (1 mark) (1 mark) (1 mark)