need help solving the entire problem including remaining 2 parts : )

Homework: H02 S Score: 0 of 3 pts 4 of 10 (3 complete) HW Score: 33.33%, 9 of 27 P2-23 (similar to) Local Co. has sales of $10.4 million and cont of sales of $6.4 milion. Its selling, general and administrative expenses are $450,000 and its research and development is 51.1 milion. 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 Locals operating margin? c. What is Locals net profit margin? R. What is Locals gross margin? Local's grous margin in %. (Round to one decimal place) Enter your answer in the answer box and then click Check Answer 2 parts remaining Clear All Check An Care Insurance-280$181.00-Paid