Consider the three stocks in the following table. Pt represents price at time t, and Qt represents shares outstanding at time t. Stock C splits two-for-one in the last period. P0 Q0 P1 Q1 P2 Q2 A 115 120 120 120 120 120 B 280 300 275 300 275 300 C 112 270 122 270 61 540 Required: Calculate the first period rates of return on the following indexes of the three stocks (t = 0 to t = 1) (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places. Omit the "%" sign in your response.): (a) A market value-weighted index. Rate of return % (b) An equally weighted index.