Question 1: Why is cost classification important to managers? [Name at minimum three reasons and an explanation as to why to earn credit.] Question 2: Sam's Garage is trying to determine the cost of providing an oil change. Why would the average cost of this service be more relevant than the actual cost for each customer? Question 3: All costs are variable because if a business ceases operations, its costs fall to zero. Do you agree with this statement? Explain (must give a solid explanation to earn credit)