Local Co has sales of $10.9 million and cost of sales of $5.6 million. Its seling, gencral and administrative expenses are $540,000 and its research and development is 51.5 million. It has annual depreciation charges of 51.3 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 not profit margin? a. What is Locals gross margin? Local's gross margin is % (Round to one decimal place)