Damsy Bhd manufactures four products using the same machinery. The following details relate to its products: Product A Product B Product C Product D RM per unit RM per unit RM per unit RM per unit Selling price 28 30 45 42 Direct material 5 6 8 6 Direct labour 4 4 8 8 Variable overhead 3 3 6 6 Fixed overhead* 8 8 16 16 Profit 8 9 7 6 Labour hours 1 1 2 2 Machine hours 4 3 4 5 Units Units Units Units Maximum demand per week 200 180 250 100