Sympatico Accountants engages ABC Tax Preparers to prepare routine tax returns during the busy season. Under the AICPA Code, what should Sympatico do prior to sharing its clients' information with ABC? Inform its tax clients that the firm may be using an outside service when providing professional services. List a notice in the local newspaper that the firm may be using an outside service when providing professional services. Ask clients to sign a waiver limiting Sympatico's liability in the event ABC makes errors in Sympatico's tax returns. Sympatico would not be required to take any particular action in this situation.