Where, in an action for a division of broker's commissions, defendant agreed to pay one-half of the commissions earned on the sale, and defendant admitted receiving $287.50, it was proper for the court to assess plaintiff's damages at one-half of such sum. McCleary v. Willis, 36 Wash. 676, 77 P. 1073; Bray v. Riggs, 110 Mo. App. 630, 85 S. W. 116.