Calculate the return on a hypothetical S&P index consisting of 4 stocks below: Express your answer in percent and round it to 2 decimal places. i.e. if you find the return is 0.012356, write down 1.24 (without the percent sign). Stock A B C D PO (Price at time t=0) $80 $16 $30 $41 P1 (Price at time t=1) $70 $14 $32 $33 Shares 1,000 10,000 8,000 3,000