How do I prepare a flexible selling and administrative expenses budget for sales volumes of $80,000, $100,000, $120,000?!?!?!

Chapter 22 Budgeting 1041 EX 22-2 Flexible budget for selling and administrative expenses Cyberware uses flexible budgets that are based on the following data: OBJ.2,4 000 Sales c 12% of sales 22% of sales $4,200 per month plus 15% of sales $16,000 per month 4% of sales $2,500 per month plus 2% of sales Miscellaneous selling expense Office salaries expense . Miscellaneous administrative expense Prepare a flexible selling and administrative expenses budget for March 2014 for sales volumes of $80,000, $100,000, and $120,000. (Use Exhibit 5 as a model.) OBJ. 2, 4 EX 22-3 Static budget vs. flexible budget The production supervisor of the Machining Department for Gilman Company agreed to the following monthly static budget for the upcoming year