Step by step , showing the formula please

5. You want to retire with a saving of $500,000. Your investment portfolio will earn an average return of 10% per year. 0 If you plan to retire in 10 years, how much do you have to save each (i) If you plan to retire in 20 years, how much do you have to save each (ii) If you plan to retire in 30 years, how much do you have to save each year? year? year? 6. Suppose you bought Stock X 6 month ago at s20 per share, you received cash dividend of $1 per share, and you just sold the stock for $22. What is your $ return? What is your dividend yield for the 6 months? What is you capital gain yield for the 6 months? What is your Holding Period Return for the 6 months? 7. Suppose you bought Stock Y 2 month ago at $80 per share, you received no cash dividend, and you just sold the stock for $82. What is your S return? What is your dividend yield for the 2 months? What is you capital gain yield for the 2 months? What is your Holding Period Return for the 2 months