Please provide the explanation for the answer is possible? Thank you!

14. Assome that you have just tested a strategy that is purported to bear the marker Om over the last decade, this strafegy would have generated an amal rea of 11%while be annual return on tr meket was 9% ne tiegy des Irre insactions & trad ng costs that amount to 1% maully and ar as slutty nkier (beta -12) b-the market Ifthe risk bee fate was 3% over the b-year prod autm the nok-adjestd ingcet adjusted renurn to this strategy(Use CAPMa y model for stock returns) .08% -42% 10% f20% rading cos 14. Assome that you have just tested a strategy that is purported to bear the marker Om over the last decade, this strafegy would have generated an amal rea of 11%while be annual return on tr meket was 9% ne tiegy des Irre insactions & trad ng costs that amount to 1% maully and ar as slutty nkier (beta -12) b-the market Ifthe risk bee fate was 3% over the b-year prod autm the nok-adjestd ingcet adjusted renurn to this strategy(Use CAPMa y model for stock returns) .08% -42% 10% f20% rading cos