The A corporation has an operating profit margin of 20%, operating expenses of $500,000, and

financing costs of $15,000. Therefore Select one: a. the corporation's gross profit margin is greater than 20%. b. the corporation's net profit margin is greater than 20%. c. ) the corporation's gross profit margin is equal to 20% because gross profit is not affected by operating expenses or financing costs d. the corporation's gross profit margin is less than 20%.