Can somebody help me to solve 3 questions Thank you.

1/ Advanced Electronics has two separate, but related, divisions: digital video and analogue video. The digital video division has sales of $800,000, net operating income of $80,000, and average operating assetsof $1 million.

Required:

If required, round your margin answer to a whole percent and the turnover answer to one decimal place. Do not round your intermediate calculations. Omit using a percent sign as part of your answer.

a.What is the digital division's margin and turnover?

b.What is the ROI for the digital division?

3/ Stock options and restricted stock.

You recently spoke to a former classmate of yours who has worked for a start-up company since graduating from business school more than 10 years ago. She told that you that she expects to receive some type of stock-based compensation in the near future. She has heard that she might receive stock options or a grant of restricted stock, but she is unsure of the difference.

Required: Explain the differences between stock options and grants of restricted stock.