Flexible Budget for Selling and Administrative Expenses Fuller Enterprises uses flexible budgets that are based on the following data: Sales commissions Advertising expense Customer support expense 8% of sales 18% of sales $2,500 plus 4% of sales Office salaries expense $17,000 per month Miscellaneous administrative expense $2,700 plus 3% of sales Research and development expense $1,750 per month Total sales FULLER ENTERPRISES Flexible Selling and Administrative Expenses Budget For the Month Ending July 31 $110,000 $140,000 $165,000 Variable cost: Sales commissions Advertising expense Customer support expense Miscellaneous administrative expense Total variable cost Fixed cost: Customer support expense Office salaries expense Miscellaneous administrative expense Research and development expense Total fixed cost Total selling and administrative expenses