Duff & Phelps Utility & Corporate Bond Trust Inc $21,240 DNP Select Income Fund Inc $36,573 DTF Tax Free Income Inc $16,320 Duff & Phelps Global Utility Income Fund Inc. $6,012 Duff & Phelps Utility & Corporate Bond Trust Inc $21,240 DNP Select Income Fund Inc $36,573 DTF Tax Free Income Inc $16,320 Duff & Phelps Global Utility Income Fund Inc. $6,012