Question 8 As regarding cost behavior, the concept of the relevant range: is the range of activity over which our assumptions about cost behavior are true O only applies to fixed costs increases in total as the activity level decreases O only applies to variable costs Question 9 Which of the following is not a period cost? O property taxes on the building where products are produced commission paid to sales persons O depreciation of the delivery trucks O advertising costs Question 10 Phaup Corporation's relevant range of activity is 3,000 units to 7,000 units. When it pro