Local Co. has sales of $10.8 million and cost of sales of $6.2 million. It's selling, general, and administrative expenses are $530,000 and its research and development is $1.5 million. It has annual depreciation charges of $1.1 million and a tax rate of 35%.

C. What is the locals net profit margin?

If you could please work out the steps it would help I keep on getting stuck on this problem! Thank you.