If the activity level decreases, what happens to the total fixed cost? O It depends on how much the activity level increases. O It remains the same. . O It decreases. O It increases. Determine the fixed cost given the following information: Highest level of activity - 880 units at a total cost of $5000 Lowest level of activity - 280 units at a total cost of $2000 O $600 O $3000 O $2400 O $409 A traditional GAAP income statement does not help managers predict the financial results of their decisions because the format of the statement is based on cost function rather than cost behavior. Which of the following is not classified as a cost function? O Product O Administration O Variable Sales