Stock price # SHares

X Y Z X Y Z

Jan. 13, 2016 20 40 30 1000 2000 1000

* Jan. 14, 2016 25 42 18 1000 2000 2000

Jan. 15, 2016 27 45 8 1000 2000 2000

Jan. 16, 2016 20 40 10 3000 2000 2000

2:1 Split on Stock Z after Close on Jan. 13 *

*3:1 Split on Stock X after Close on Jan. 15

The base date for index calculations is January 13

6 (a) Calculate a price weighted average for January 13th.

6 (b) What is the divisor at the beginning of January 14th?

6 (c) 5 Calculate a price weighted average for January 14th.

6 (d) 10 Calculate a value weighted index for Jan. 14th if the initial index value is 100.

please explain answerin detail