78.620.  Manager shall file itemized statements. — The council of any city operating under sections 78.430 to 78.640 shall cause the city manager to prepare and file with the council monthly itemized statement of receipts and expenditures of the city, and a summary of the business transacted for the month preceding; and every three months the unpublished reports shall be published in pamphlet form and printed copies thereof shall be furnished the city library, the various newspapers of the city and citizens applying therefor at the office of the city clerk.