TNR Corporation is preparing its budgeted income statement for the month of August. Budgeted sales are $18,000. Cost of goods sold is twice the amount of operating costs, and operating costs plus cost of goods sold equals 40% of net income. Return on sales (net income / sales) is anticipated to be 50%. TNR does not have any nonoperating items on its income statement. TNRs budgeted operating income will be:

a. $9,000

Please show the steps necessary to arrive at this amount