Flexible budget for selling and administrative expenses for a service company. Digital Solutions Inc. uses flexible budgets based on the following data:

Sales commissions 15% of sales Advertising expense 18% of sales Miscellaneous administrative expense $6,000 per month plus 12% of sales Office salaries expense $30,000 per month Customer support expenses $14,000 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 Exhibit 5 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: Total variable cost Fixed cost: Total fixed cost Total selling and administrative expenses