The primary difference between a static budget and a flexible budget is that a static budget is suitable in volatile demand situation while flexible budget is suitable in a stable demand situation. is concerned only with future acquisitions of fixed assets, whereas a flexible budget is concerned with expenses that vary with sales includes only fixed costs, whereas a flexible budget includes only variable costs is a plan for a single level of production, whereas a flexible budget can be converted to any level of production Which of the following would not be used in preparing a cash budget for October? beginning cash balance on October 1 budgeted salaries expense for October estimated depreciation expense for October budgeted sales and collections for October