Question 1 (1 point) In a graph of total cost, the line will: O start at the origin and slope upward. start at any point on the y-axis and be horizontal. start at any point on the y-axis and slope upward. OO start at the origin and be horizontal. Question 2 (1 point) What will happen to the average cost per unit when the production volume increases? Increase Decrease O Uncertain Remain the same Question 3 (1 point) Which of the following will not be considered in the cost equation? Direct labor Direct materials Depreciation of plant and equipment O None of the options