D Question 14 1 pts Fixed costs, on a per-unit basis, have a directly proportional relationship with changes in sales or production. (In other words, Fixed Cost per unit do not change when the level of sales/production changes.) O True O False D Question 15 1 pts When a company hires a new manager every time it opens a new branch office, the salaries of the branch managers would be classified as a step-wise cost. O True O False