9-8 The Value of an Investment of Sl in 1926 1000 10 Common Stocks Long T-bonds T-Bills 0.1 Source: Ibbotson associates Y ear上n Irwin/McGraw-Hill CThe McGraw-Hill Commpanies, Inc, 2001©The McGraw-Hill Companies, Inc.,2001 9- 8 Irwin/McGraw-Hill The Value of an Investment of $1 in 1926 Source: Ibbotson Associates 0.1 10 1000 1930 1940 1950 1960 1970 1980 1990 1998 Common Stocks Long T-Bonds T-Bills Index Year End