Determine whether each of the following is best described as a fixed, variable, or mixed cost with respect to product units. Qs 5-2 Cost behavior identification -1. Rubber used to manufacture athletic shoes. 2. Maintenance of factory machinery 3. Packaging expense. 4. wages of an assembly-line worker paid 5. Factory supervisor's salary 6. Taxes on factory building. 7. Depreciation expense of warehouse. on the basis of acceptable units produced. The following information is available for a company's maintenance cost over the last seven months. QS 5-3 Using the high-low method, estimate both the fixed and variable components of its maintenance cost. Cost behavior estimation- high-low method P1 Month Maintenance Hours Maintenance Cost $5,450 6,900 5,100 6,000 6,900 8,100 3,600 June September October November.... 18 12 15 21 24