Question 17 (1 point) Within the relevant range of activity, how will variable cost per unit behave? It will increase in proportion with the level of activity. It will vary inversely with the level of activity. It will remain constant. Its behaviour cannot be determined without additional information. None of the options provided are correct. Question 18 (1 point) What is the costing method that can be used most easily with break-even analysis and other cost-volume-profit techniques? Variable costing. Job-order costing. Absorption costing None of the options provided are correct. Process costing. Question 19 (1 point) How is a company's return on investment (ROI) calculated? O Multiplying the profit margin by the asset turnover. None of the options provided are correct. Dividing the asset turnover by the average operating assets. Dividing the profit margin by the asset turnover. Multiplying the asset turnover by the average operating assets. Question 20 (1 point) Which of the following costs/expenses is included in product costs under both absorption costing and variable costing? Supervisory salaries. Office equipment depreciation. Variable selling expenses. Variable manufacturing costs. None of the options provided are correct