Which of the following statements is false when considering the behavior of a mixed cost within the relevant range? Multiple Choice The total amount of a mixed cost will increase when the level of activity increases: The average mixed cost per unit will increase when the level of activity decreases. The variable portion of a mixed cost causes the total amount of a mixed cost to decrease when the level of activity decreases. The feed portion of a mixed cost causes the total amount of a mixed cost to remain constant when the level of activity increases. wing statements is false... Which of the following statements is false when considering cost behavior within the relevant range? Multiple Choice A variable cost remains constant, in total, as the activity level changes. A variable cost is constant if expressed on a per unit basis A fixed cost remains constant, in total, regardless of changes in the level of activity. The average fixed cost per unit varies inversely with changes in the level of activity Which of the following statements is false when considering cost behavior within the relevant range? Multiple Choice A variable cost varies, in total, in direct proportion to changes in the level of activity. The variable cost per unit varies inversely with changes in the level of activity. A fixed cost remains constant, in total, regardless of changes in the level of activity The average fixed cost per unit varies inversely with changes in the level of activity Which of the following statements is false with respect to contribution format income statements? Multiple Choice They include contribution margin. They include fixed selling expenses. They separate expenses by their cost behavior They exclude period costs from variable expenses