Flexible budget for selling and administrative expenses for a service company Digital Solutions Inc. uses flexible budgets that are based on the following data: Sales commissions 10% of sales Advertising expense 13% of sales Miscellaneous administrative expense $12,000 per month plus 6% of sales Office salaries expense $50,000 per month Customer support expenses $22,000 per month plus 33% of sales Research and development expense $73,000 per month This information has been collected in the Microsoft Excel Online file. Open the spreadsheet, perform the required analysis, and input your answers in the question below. Open spreadsheet Prepare a flexible selling and administrative expenses budget for October for sales volumes of $500,000, $900,000, and $1,100,000. (Use Exhibit 5 as a model.) Enter all amounts as positive numbers