Consider the three stocks in the following table. Pe represents price at time t, and represents shares outstanding at time I Stock C splits two for one in the last period. Pa 85 45 90 00 100 200 200 Pi 90 40 100 01 100 200 200 P2 90 40 50 02 100 200 400 Required: Calculate the first perlod rates of return on the following Indexes of the three stocks: (Do not round intermediate colculations. Round your answers to 2 decimal places.) a. A market value-weighted index Rate of retum b. An equally welghted index Rate of return