Section 12. The said president, managers and company shall keep a just account of all monies received by their several collectors of tolls for crossing the said bridge, and shall declare and make a dividend of the income and profits thereof, among all the subscribers to the said companys stock, in proportion to their respective shares, first deducting all contingent costs and charges, and such proportion of the income as may be sufficient for a fund to proved against the decay, the repairing or the rebuilding of the said bridge, as time and accident may render necessary, and shall on the first week of June of every year, publish the dividend to be made of the clear profits arising from the tolls among the stockholders, and of the time and place when and where the same shall be paid, and shall cause the same to be paid accordingly in ten days thereafter, or as soon as the same shall be demanded.