An example of a mixed cost would include salespersons who are paid salaries plus commissions based on sales dollars. True False Variable costs such as direct labor and direct materials typically stay constant on per unit basis. True False Examples of variable costs include factory building insurance and wages for hourly workers. True False The contribution margin income statement is used for internal reporting purposes and presents the fixed and variable components of cost information True False All of the following are steps of the high-low method except: stating the results in equation form Y = f + uX. calculating the fixed cost per unit. calculating the variable cost per unit identifying the high and low activity data points, None of the answer choices is correct