local co has sales of 10.6 million and Cost of sales 603 million its selling general and administrativa expenses are 550,000 and it research and developmeat is wil million. It has annual depressation Charges of 1.4 million and a tax Q what is locals gross margin 2 round to one decimal place B what is locals operating margin? round to one decimal plece o what is local's net profit margin?! 2 round to one decimal place