Consider the three stocks in the following table. P, represents price at time t, and Q, represents shares outstanding at time t. Stock C splits two-for-one in the last period. PO Q. PL Q P A 90 100 95 100 95 100 00 50 200 45 200 45 200 100 200 110 200 55 400 Calculate the first-period rates of return on the following indexes of the three stocks: a.) A market value-weighted index b.) An equally weighted index