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 Advertising expense Miscellaneous administrative expense Office salaries expense Customer support expenses 8% of sales 15% of sales $10,000 per month plus 4% of sales $50,000 per month $20,000 per month plus 30% of sales Research and development expense $75,000 per month Prepare a flexible selling and administrative expenses budget for October for sales volumes of $500,000, $750,000, and $1,000,000. (Use Exhibit 5 as a model.) Digital Solutions Inc. Flexible Selling and Administrative Expenses Budget Total sales Variable cost: Sales commissions For the Month Ending October 31 $500,000 Advertising expense Miscellaneous administrative expense Customer support expenses Total variable cost $750,000 $1,000,000