2. Bohenick Classic Automobiles restores and rebuilds old classic cars. The company purchased and restored a classic 1957 Thunderbird convertible six years ago for $8,500. Today at auction, the car sold for $50,000. What are the holding period return and the annual return on this investment? ?

3. Below are the returns of the long-term US government bonds. Calculate the average and the standard deviation of returns.

Year	Return
1990	7.13%
1991	18.39%
1992	7.79%
1993	15.48%
1994	7.18%
1995	31.67%
1996	0.81%
1997	15.08%
1998	13.52%
1999	8.74%