Each public utility governed by the provisions of this act shall furnish to the commission, in such form and at such times as the commission shall require, such accounts, reports and information as shown in itemized detail: (1) The depreciation per unit; (2) the salaries and wages, separately, per unit; (3) legal expenses per unit; (4) taxes and rentals, separately, per unit; (5) the quantity and value of material used per unit; (6) the receipts from residuals, by-products, services or other sales, separately, per unit; (7) the total and net cost per unit; (8) the gross and net profit per unit; (9) the dividends and interest per unit; (10) surplus or reserve per unit; (11) the prices per unit paid by consumers; and, in addition, such other items, whether of a nature similar to those hereinbefore enumerated or otherwise, as the commission may prescribe in order to show completely and in detail either the operation of the public utility or common carrier in furnishing the unit of its product or service to the public.