Koko Disc Sdn Bhd (KDSB), manufactures and sells compact disc. Price and cost data are as follows: Selling price per unit RM 25.00 Variable cost per unit Direct Material Direct labour Manufacturing Overhead Selling Expenses Total Variable Cost per unit 9.00 3.00 2.00 1.00 15.00 Annual fixed costs Manufacturing Overhead Selling and administrative costs Total Fixed Costs 192,000 276,000 468,000 Forecasted annual sales volume (120,000 units) 3,000,000 Required: (a) Calculate KDSB's break-even points in units and in RM. (4 marks) (b) How many units would KDSB have to sell in order to earn a net profit of RM300,000. (3 marks) (c) Calculate KDSB's margin of safety in units and in RM. (4 marks) (d) Management estimates that direct-labour costs will increase by 10% next year. How many units KDSB have to sell next year to reach the current break-even point. (5 marks) (e) If KDSB's direct-labour costs do increase by 10%, calculate the new selling price that KDSB needs to charge in order to maintain the same contribution margin ratio as before. (4 marks)