3.9

a. (5 points)

Calculate the unweighted index for Dec 31, 2015, prior to the splits. Assume a base index value of 100. The base year is Dec 31, 2015.

b. (5 points)

Calculate the unweighted index for Dec 31, 2015, after the splits. Assume a base index value of 100. The base year is Dec 31, 2015.

You are given the following information. Please use it for the remaining problems.

	31-Dec-15	31-Dec-15	31-Dec-16	31-Dec-16
Stock	Price	Shares	Price	Shares
W	$ 40.00	10000	$ 25.00	20000
X	$ 60.00	5000	$ 20.00	10000
Y	$ 20.00	20000	$ 30.00	20000
Z	$ 40.00	15000	$ 40.00	15000

Stocks W and X had 2 for 1 splits on December 31, 2015. The information in the table for 2015 is pre-split.