Digital Solutions Inc. uses flexible budgets that are based on the following data: Prepare a flexible selling and administrative expenses budget for October for sales volumes of $400,000,$500,000, and $600,000. (Use Exhibit 4 as a model.) Prepare a flexible selling and administrative expenses budget for October for sales volumes of $400,000,$500,000, and $600,000. (Use Exhibit 4 as a model.) Digital Solutions Inc. Flexible Selling and Administrative Expenses Budget