Where a principal pays a broker his commission before the purchaser withdraws from the transaction, the broker being entitled thereto will retain the same. Moore v. Irvin (Ark. Sup. '09), 116 S. W. 662; Conklin v. Krakmer, 70 Tex. 735,11 S. W. 117; Emerson v. Coddington, 55 N. Y. Super. Ct. 336. Except when the broker has acted in bad faith. Lockwood v. Halsey, 41 Kan. 166, 21 P. 98.