What are profit margins? What are the different types of profit margins? (Select the best choice below.) O A. The profit margins are the profits-to-sales relationships. Three types are gross profit margin, operating profit margin, and net profit margin. OB. The profit margins are the profits-to-assets relationships. Three types are gross profit margin, operating profit margin, and net profit margin. OC. The profit margins are the profits-to-assets relationships. Three types are current profit margin, gross profit margin, and net profit margin. OD. The profit margins are the profits-to-sales relationships. Three types are cost profit margin, fixed profit margin, and net profit margin