Consider the three stocks in the following table. P_t represents price at time t, and Q_trepresents shares outstanding at time t. Stock C splits two-for-one in the last period.

	P0	Q0	P1	Q1	P2	Q2
A	90	100	95	100	95	100
B	50	200	45	200	45	200
C	100	200	110	200	55	400

Calculate the first-period rates of return on the following indexes of the three stocks: (Do not round intermediate calculations. Round answers to 2 decimal places.)

a. A market valueweighted index

Rate of return %

b. An equally weighted index

Rate of return %