Where there is an open current account the cause of action shall be deemed to have accrued upon the date of the last item therein, as proved on the trial. History: Laws 1880, ch. 5, § 7; C.L. 1884, § 1866; C.L. 1897, § 2919; Code 1915, § 3351; C.S. 1929, § 83-106; 1941 Comp., § 27-105; 1953 Comp., § 23-1-6.