Brown Inc. uses flexible budgets that are based on the following data: Sales Commission 10% of sales Advertising expense 15% of sales Misc. administrative expense $3,000 per month plus 8% of sales Office salaries expense $30,000 per month Customer support expense $5,000 per month plus 12% of sales Research and development expense $18,000 per month Instructions: Prepare a flexible selling and administrative expenses budget for November 2017 for sales of $800,000; $900,000; $1,000,000.