Consider the three stocks in the following table. $P_t$ represents price at time $t,$ and $Q_t$ represents shares outstanding at time $t.$

Stock C splits two$-$for$-$one in the last period.

Required:

Calculate the first$-$period rates of return on the following indexes of the three stocks: $($Do not round intermediate calculations.

Round your answers to $2$ decimal places.$)$

a$.$ A market value$-$weighted index

Rate of return

$\%$

b$.$ An equally weighted index

Rate of return

$\%$