Q5. The following information is related to CTH Corporation which manufactures a single product: (2 Marks) Selling price per unit: SAR 800 Variable cost per unit: SAR 240 Total fixed cost: SAR 400,000 You are required to calculate: a) Contribution margin per unit and contribution margin ratio. b) The break-even point in units and break-even point is sales value SAR. c) Pretax profit of the company if it sells 1,400 units of the product. d) The number of units required to sell to reach a target pretax profit of SAR 200,000?