Local Co. has sales of $ 10.7 million and cost of sales of $ 6.1 million. Its selling, general and administrative expenses are $540,000

and its research and development is $ 1.4 million. It has annual depreciation charges of $ 1.1 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?

(Please provide answers in % and round to 1 decimal place)