The calculation formula of external deduction method is as follows: net subscription amount = subscription amount ÷( 1+ subscription rate), subscription fee = subscription amount-net subscription amount, subscription share = subscription amount ÷ net share value of the day;

The calculation formula of internal deduction method is as follows: subscription fee = subscription amount × subscription rate, net subscription amount = subscription amount-subscription fee, subscription share = net subscription amount ÷ the net value of fund shares on that day.

Fund external deduction method and fund internal deduction method are two different calculation methods, which are used to calculate fund net subscription amount, fund subscription fee and fund subscription share.