Digital Solutions Inc uses flexible budgets that are based on the following data: Sales commissions 149% of sales 20% of sales Advertising expense Miscellaneous administrative expense $7,000 per month plus 12% of sales Office salaries expense Customer support expenses $30,000 per month $13,000 per month plus 20% of sales Research and development expense $31,000 per month Prepare a flexible selling and administrative expenses budget for October for sales volumes of $400,000, $500,000, and $600,000. (Use Exhibits as a model Digital Solutions Inc Flexible Selling and Administrative Expenses Budget For the Month Ending October 31 Total sales $400,000 $500,000 $600,000 Variable cost Sales commissions Advertising expense Miscellaneous administrative expense customer support expenses Total variable cost Fixed cost Miscellaneous administrative expense Oflice salaries expense customer support expenses GESTEDET Totalfixed cost Total selling and dministrative expenses