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 $14\%$ of sales

Advertising expense $18\%$ of sales

Miscellaneous administrative expense $$8,500$ per month plus $12\%$ of sales

Office salaries expense $$30,000$ per month

Customer support expenses $$13,000$ 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.$