The fact that the terms of a sale of realty, as stated to the broker, were modified by the owners as to the commissions, in the broker's presence, and the purchaser's proposal as to the method of payment, would not relieve the owner from liability for commissions. Huntmer v. Arent, 16 S. D. 465, 93 N. W. 653; Parks v. Sullivan, 152 S. W. 704, - Tex. Civ. App. -; Stout v. Thorn-hill, 79 S. 154, - Ala. App. - . See also Sec. 51.