Where a broker finds a purchaser at the seller's terms while still employed, the reasonableness of the time which he has taken to do so is immaterial. Moore v. Boehm, 91 N. Y. S. 125, 45 Misc. 622; Tebo v. Weld, 92 A. 876, 5 Boyce, Del. Super. 255; Kurtz v. Payne Inv Co., 135 N. W. 1075, 156 Iowa, 376, re. den. but opinion modified, 133 N. W. 460; Ewan v. Power, 178 S. W. 1092, 165 Ky. 806. See also Sec. 628. Compare Sec. 612.