Arithmetic average and geometric average are different in that latter accounts for losses more realistically than the former. Consider the following example to see the uniqueness of geometric average. You have the following rates of return for a risky portfolio for several recent years: 2008: 100% 2009: 100% 2010: 100% 2011: -100% If you invested $100 at the beginning of 2008, your investment at the end of 2011 would be worth ___________.
A. $300
B. $100
C. $800
D. $0