fees, levies, fares, tolls, taxes, excise tax, overcharges, costs, pricing, gratuities, imposts, surtax, fines, tariffs, wharfage, demurrage, bills, rates, undercharge, prorating, markups, hikes, airlines, rebates, pay, airfare, payments, corkage, refunds, discounts, increases, gallonage, imposable, premiums, kiloliter, leviable, invoices, cartage, incidentals, cess, subsidy, agorot, carriers, revenues, price gouging, ad valorem, excise duty, freight, gouging, taxation, reimbursement, exactions, betterments, charges, debits, profiteering, utilities, shippers, cent, sliding scale, postage, ferc, cab fare, wholesalers, affreightment, interline, taximeter, roundtrip, lockage, offp, expenses, unes, commissions, carryon, overpayment, sanctions, countervailing duty, shipping, tetraethyl lead, dunning, dues, dockage, penalties, rentals, allowances, withholding tax, import duty, prepayment, billings, overbooking, undistributed profits, value added tax, diesel fuel, cargoes, progressivity, overage, provisions, escalator clause, allocations, fare increase, ratepayers, loadings, surcharge, exemptions, expenditures, indemnities, burdens, inputs, requirements, weightings, awards