4. Using the following details of a small agribusiness milling company produced 800 by 25kg bags of mealie meal with variable costs of K70 per bag and K50,000 fixed costs. At the output price of K150 per bag, you are required to calculate the; (a) Contribution margin ratio. (3 Marks) (b) Break-even point in terms of sales. (4 Marks) (c) Margin of safety in terms of bags of Mealie Meal. (2 Marks)