19. Which description best fits the cost curve? Level of activity A. Direct material cost per unit B. Fixed production cost per unit C. Direct labour cost per unit D. Variable production cost per unit 20. A particular cost is fixed in total for a period. What is the effect on cost per unit of a reduction in activity of 50%? A. Cost per unit increases by 50% B. Cost per unit reduces by 50% C. Cost per unit increases by 100% D. Cost per unit is unchanged 21. Which of the following classifications could be applied to the cost of raw materials used by a company in the manufacture of its range of products? i. Direct ii. Fixed ii. Period