Based on the information given for the three stocks, calculate the first-period gross and net return
(from t = 0 to t = 1) on
a. a market-value-weighted index.
b. an equally-weighted index.
Note: The subscripts 0, and 1 indicate time t = 0 and t = 1 respectively.
P0 Q0 P1 Q1
Stock A $70 200 $72 200
Stock B $85 500 $81 500
Stock C $105 300 $98 300