Consider two stocks, X, Y, and Z, in the following table. P0, P1, and P2 represent prices at time 0, 1, and 2. Q0, Q1, and Q2 represent shares outstanding. Stock Y splits two for one in the last period. Stocks P0 Q0 P1 Q1 P2 Q2 X 90 100 95 100 95 100 Y 50 200 60 200 45 200 Z 100 200 110 200 55 400 Using the above information to compute an equally weighted average returns in the three stocks from periods 1 to 2