please answer all questions .

5. Return on Stock. Emma bought a stock a year ago for $53 per share. She received no dividends on the stock and sold the stock today for $44 per share. What is Emma's return on the stock? 6. Value of Investment. Tammy has $3,500 that she wants to invest in stock. She believes she can earn a 12% annual return. What would be the value of Tammy's investment in ten years if she is able to achieve her goal? 7. Value of Investment. Dawn decides to invest $2,000 each year in stock at the end of each of the next five years. She believes she can earn a 6% return over that time period. How much will Dawn's investment be worth at the end of five years? 8. Value of Investment. Bob purchased stock in a new social media company for $40 per share shortly after the stock's IPO. The stock had been heavily publicized on the Internet. Over the next three years, the stock price declined by 15% each year. What is the company's stock price after three years