multiple choice in operations management please help!

Supply management is a profession as demonstrated by which of the following? O employees working in production and operations areas O students study supply management at leading universities in the US and other countries O requirements for supply management employees to have a high school diploma or GED O requirements for supply management employees to work as sales associates prior to becoming a buyer The indirect contribution of supply management does not include which of the following? O its role as an information source o its effect on efficiency, competitive position, risk, and company image o its role in selling and marketing products o the management training provided by assignments in the supply area Return on assets (ROA) is calculted by a company's investment turnover divided by its profit margin. O True False