*2:1 Split on Stock Z after Close on Jan. 13, 2017 3:1 Split on Stock X after Close on Jan. 15, 2017 The base date for index calculations is January 13, 2017 12. Calculate a value weighted index for Jan. 14th if the initial index value is 100 . A. 100 B. 102.31 C. 123.07 D. 111.54 13. Calculate a value weighted index for January 15 th if the initial index value is 100 . A. 102.31 B. 100 C. 123.07 D. 111.54