Daybreak Technologies Inc. uses flexible budgets that are based on the following data: Sales commissions 5% of sales
Advertising expense 23% of sales
Miscellaneous administrative expense $1,350 per month plus 1% of sales
Office salaries expense $13,000 per month
Customer support expenses $1,900 plus 2% of sales
Research and development expense $2,550 per month

Required:
Prepare a flexible selling and administrative expenses budget for April for sales volumes of $400,000, $500,000, and $600,000.