For four years, you have owned stock in XYZ corp. You bought it in August 2015. The price you paid was $20.00 per share. The first year it paid you a dividend of $0.67; the next year, $0.75; the next, $1.00 and then the final year, $1.25. The price for the stock in August of 2016 was $28.00, in August 2017 $24.00, August 2018 $22.00, and finally today it is selling for $31.00.

Date	Close Price	Dividends	Return??
Aug 2015	$20.00
Aug 2016	$28.00	$0.67
Aug 2017	$24.00	$0.75
Aug 2018	$22.00	$1.00
Aug 2019	$31.00	$1.25

Use the data above for the first four questions.

1. What is the return for the stock over the last year, Aug 2019?
2. What is arithmetic average return for your stock over the four years?
3. What is geometric average return for your stock over the four years?
4. What is the standard deviation of the returns? You should use the STDEV.S function in Excel.
5. The Federal Reserve lowers interest rates. This is what type of risk?
6. The firm manages a chain of restaurants. Several restaurants had salmonella poisonings reported to the health department. This is what type of risk?
7. You estimate the standard deviation (or variance) of a stock you own using ten years annual data. This is what type of risk?
8. You own 100 shares of a $10 stock (ABC corp), 200 shares of a $20 stock (DEF corp), and 300 shares of a $30 stock (GHI corp). If you expect returns for each respective stock to be 20% for ABC, 15% for DEF and 10% for GHI, what is the expected return for your portfolio?