2. Determine the investment cost: the parent fund needs to determine the investment cost of its sub-fund, that is, the amount paid for the purchase of the sub-fund.

3. Bookkeeping: record the investment cost as the assets of the sub-fund and reflect the investment in the liabilities or equity of the parent fund.

4. Profit distribution: According to the performance of the sub-fund, the parent fund may get dividends or other forms of income from the sub-fund. These proceeds should be distributed according to the proportion agreed by the parent fund and the sub-fund.

5. Reporting and disclosure: The parent fund needs to prepare financial statements and related disclosure documents, and provide investors and regulators with information on the investment and related income of the sub-fund.

6. Asset impairment test: If the sub-fund suffers losses or falls in value, the parent fund may need to conduct asset impairment test to determine whether it is necessary to adjust the valuation of its sub-fund.

7. Re-evaluate the investment: periodically or according to market conditions, the parent fund may need to re-evaluate the valuation of its sub-funds and adjust the value reflected in the financial statements accordingly.