6. Given the financial details of a company, answer the questions:

Item	Value ($ millions)
Total Sales	1000
Cost of Goods Sold	600
Operating Expenses	250
Net Income	90

7. a. Calculate the Gross Profit Margin. b. Compute the Operating Profit Margin. c. Determine the Return on Sales (Net Profit Margin). d. If the company wants to achieve a Net Income of $150 million, what should be the maximum allowable Operating Expenses?