A fixed cost: Requires the future outlay of cash and is relevant for future decision making. Does not change with changes in the volume of activity within die relevant range. Is directly traceable to a cost object Changes with changes in the volume of activity within the relevant range. Has already been incurred and cannot be avoided so it is irrelevant for decision making. Which the following costs is not included in factory overhead? Payroll taxes on the wages of supervisory factory workers. Indirect labor Depreciation of manufacturing equipment. Manufacturing supplies used. Direct materials