Exhibit 4.2 USE THE INFORMATION BELOW FOR THE FOLLOWING PROBLEM Jan. 13, 2005 Jan. 14, 2005 Jan. 15, 2005 Jan. 16, 2005 O b. 34 X 20 25 27 20 O c. 37 O d. 32 O e. 30 Stock Price Y 40 42 45 40 con I c IN *2:1 Split on Stock Z after Close on Jan. 13, 2005 ** *3:1 Split on Stock X after Close on Jan. 15, 2005 The base date for index calculations is January 13, 2005 30 18 10 Refer to Exhibit 4.2. Calculate a price weighed average for January 15th. O a. 36.13 X 1000 1000 1000** 3000 # Shares Y 2000 2000 2000 2000 4 Z 1000* 2000 2000 2000

Exhibit 4.2 USE THE INFORMATION BELOW FOR THE FOLLOWING PROBLEM "2:1 Split on Stock Z after Close on Jan. 13, 2005 ** 3:1 Split on Stock X after Close on Jan. 15, 2005 The base date for index calculations is January 13,2005 Refer to Exhibit 4.2. Calculate a price weighed average for January 15th. a. 36.13 b. 34 c. 37 d. 32 e. 30