1. Determine whether each of the following is best described as a fixed, variable, or mixer cost with respect to product units.

2. Following are five graphs representing various cost behaviors.

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Determine whether each of the following is best described as a fixed, variable, or mixed cost with respect to product units. 1. Rubber used to manufacture athletic shoes. 2. Maintenance of factory machinery. 3. Packaging expense. 4. Wages of an assembly- line worker paid on the basis of acceptable units produced. 5. Factory supervisor's salary. 6. Taxes on factory building. 7. Depreciation expense of warehouse. Following are five graphs representing various cost behaviors. (1) Identify whether the cost behavior in each graph is mixed, step-wise, fixed, variable, or curvilinear. (2) Identify the graph (by number) that best illustrates each cost behavior: (a) Factory policy requires one supervisor for every 30 factory workers; (b) real estate taxes on factory; (c) electricity charge that includes the standard monthly charge plus a charge for each kilowatt hour; (d) commissions to salespersons; and (e) costs of hourly paid workers that provide substantial gains in efficiency when a few workers are added but gradually smaller gains in efficiency when more workers are added. Costs Costs Costs Costs Costs Volume Volume Volume Volume Volume