Please show all steps of the calculations conducted, thank you!

Use the following table to answer the next two questions. Suppose that you are given the following information about the stock price/dividends of XYZ. Year Beginning-of-Year Price Dividend paid at Year-End 2013 $80 $3 2014 $85 $4 2015 $78 $2 2016 $82 $2 5. If the price of XYZ is $85 per share at the end of 2016, what is the arithmetic average return for an investment in XYZ over the period? 6. If the price of XYZ is $85 per share at the end of 2016, what is the geometric average return for an investment in XYZ over the period? 7. What is the standard deviation of the sample of returns on the investment