Duff & Phelps Utility & Corporate Bond Trust Inc $21,240 DNP Select Income Fund Inc $34,402 DTF Tax Free Income Inc $16,470 Duff & Phelps Global Utility Income Fund Inc. $5,796 Duff & Phelps Utility & Corporate Bond Trust Inc $21,240 DNP Select Income Fund Inc $34,402 DTF Tax Free Income Inc $16,470 Duff & Phelps Global Utility Income Fund Inc. $5,796