Section 4. (a) Each department shall furnish to the mayor or council such information as he or it may at any time demand in relation to the affairs of such department.
(b) Detailed statements of the receipts and expenditures of the several departments for the preceding calendar month shall be made each month to the city controller.
(c) The several heads of departments, the purchasing agent, the city architect, the zoning commission, the city planning commission, and the art jury shall present to the mayor, annually on or before the first Monday of February, a report of their proceedings during the preceding year, and he shall transmit the same to the council with any recommendations he may think proper to make.