Different funds have different cost calculation methods. Fund fees generally include subscription fees, redemption fees, management fees, custody fees, sales service fees and other fees. The specific calculation formula is as follows:

1. The calculation formula of subscription fee is: subscription fee = subscription amount × subscription rate.

2. The calculation formula of subscription fee is: subscription fee = subscription amount × subscription rate.

3. The calculation formula of redemption fee is: redemption fee = redemption amount × redemption rate.

4. The calculation formula of management fee is: daily management fee payable = net asset value of the previous day × annual rate of management fee/number of days in the current year.

5. The calculation formula of custody fee is: daily custody fee payable = net asset value of the previous day × annual rate of custody fee/days of the year.

6. The calculation formula of sales service fee is: sales service fee = net asset value of the previous day × sales rate/days of the year.