The auditor general from no of journal voucher is​

c) Investment in a DPP (Direct Participation Program)

Explanation:

Direct Participation Programs are a form of limited partnership. DPP has the lack of liquidity, since ownership interests are not always freely transferrable and require the approval of a general partner of the DPP. Each of the other items listed are more liquid on a short-term basis. Bonds can be sold, bond fund shares can be redeemed, equities are easily sold in the secondary market, and though CDs are not transferrable, the maximum maturity is 1 year or less, so the client would have short-term access to the funds invested.