1A Which of the following is never included in product cost? a overhead b direct materials c variable selling expense d fixed factory overhead e direct labor Question 1B Fixed costs that are jointly caused by two or more segments are: a direct fixed costs. b common fixed costs. c total fixed costs. d avoidable fixed expenses. e traceable fixed expenses. Question 1C Section R had ROI of 15% last year. The manager of Division A is considering an additional investment for the coming year. What step will the manager likely choose to take? a accept the investment as long as it provides positive operating income b accept the investment as long as its ROI is positive c reject the investment if it returns more than 15% ROI d reject the investment if it returns less than 15% ROI e reject the investment if it returns an ROI equal to 15%