GPB's contribution margin ratio is 85% (or .85) and its fixed monthly expenses are $63,000. Assume that the cost structure of GPB does not change. Required: In the box below enter the best estimate of the company's net operating income in a month when sales are $103,000 (Hint: Enter your answer as a number in the box below; do not insert a currency sign or a percentage sign. For example, format your answer as 7,000 or 7000 and not as $7000 or $7,000 or 700000%.)