Heavy Load, Inc. has sales of $3,450,000, total assets of $1,240,000, and total liabilities of $275,000, which consist strictly of notes payable. The firm's operating profit margin is 16.1%, and it pays a 10% rate of interest on its notes payable. How much is the firm's times-interest-earned? Answer 15.6 45.3 20.2 3.0?