In Fiscal year 2018, Firm A had a revenue of 13.70M, gross profit of 7.43M, and net income of 5.07M. Firm B had a gross profit margin of 53%, Revenues for 67.1M and its difference between gross profit and net profit was 30.0M. Which firm was more profitable in 2018? (Hint: Calculate the net profit margin for firm A).