Question 3 Evergreen Sdn Bhd manufactures several different products. Unit costs associated with Product MEM020 are as follows: RM Direct materials 60 Direct manufacturing labor 10 Variable manufacturing overhead 15 Fixed manufacturing overhead 25 Sales commissions (2% of sales) 5 Administrative salaries 10 Total 125 Required: Calculate: a. The percentage of the total variable costs per unit associated with Product MEM020 with respect to total cost. (12 marks) b. The percentage of the total fixed costs per unit associated with Product MEM020 with respect to total cost. (3 marks)