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8-26 Flexible Budget Pohle Designs has a department that makes high-quality leather cases for iPads. Consider the follow- ing data for a recent month: Budget Formula per Unit Various Levels of Output Units 10,000 11,000 12,000 Sales $19 $ ? $ ? $ ? Variable costs Direct materials ? 65,000 ? ? Hand labor 4.40 ? ? ? Fixed costs Depreciation ? 18,000 ? Salaries ? ? 33,000 Fill in the unknowns