Wuuston Hop fit = Sal Local Co, has sales of $10.9 million and cost of sales of $6.2 million. Its selling general and administrative expenses are $550,000 and its research and development is $1.1 million. It has annual depreciation charges of $1.2 million and a tax rate of 35% a. What is Local's gross margin? b. What is Local's operating margin? c. What is Local's net profit margin? a. What is Local's gross margin? Locals gross margin is % (Round to one decimal place.) 1.9 milli re $470, 1.2 millio