The correct answer is: A. Pension funds

The products and services that commercial banks can provide for pensions such as social security funds and enterprise annuities mainly include fund collection and payment, deposits, There are many major categories such as fund management, bond agency, fund-related services, account management and custody. After allowing social security funds to enter the capital market for investment, commercial banks can also provide other services to customers. If social security funds are allowed to invest in open-end funds, social security funds can handle open-end fund subscription, subscription and redemption services at commercial banks, and commercial banks can provide social security funds with market information about open-end funds.

Under the market-oriented operation model of enterprise annuities in the form of trust funds, commercial banks can serve as custodians and account managers of enterprise annuities; if policies permit, qualified universal banks can also serve as custodians and account managers for enterprise annuities. Enterprises provide a package of services such as value agency and investment management.

As a custodian, the services provided by commercial banks to customers include safe custody of enterprise annuity fund assets; opening fund accounts and securities accounts for fund assets in the name of enterprise annuity funds; and handling of different enterprise annuity fund assets under custody. Set up separate accounts to ensure the integrity and independence of fund assets; allocate enterprise annuity fund assets to the investment manager according to the trustee's instructions; handle liquidation and delivery matters in a timely manner according to the investment manager's investment instructions; be responsible for the accounting and valuation of the enterprise annuity fund , review and review the net asset value of the fund calculated by the investment manager; check relevant data with the account manager and investment manager in a timely manner, and supervise the investment actions of the investment manager in accordance with regulations; regularly submit enterprise annuity custody and financial accounting reports to the trustee; and Regularly submit corporate annuity fund custody reports to relevant regulatory authorities, etc. As account managers, the services provided by commercial banks to customers include establishing enterprise annuity fund corporate accounts and personal accounts; recording corporate and employee contributions and enterprise annuity fund investment income; timely checking payment data and enterprise annuity fund account property changes with the custodian status; calculate enterprise annuity benefits; provide enterprise annuity fund enterprise account and personal account information inquiry services; regularly submit enterprise annuity fund account management reports to trustees and relevant regulatory authorities, etc.