Hi there. Need to know how to lay down following exel shipping calculator: Have two shipper's exel price list and need to know whom of which is most competitve in terms of chargeable weight taking into account the following criteria: Shipment Example: Gross Weight: 300 kg. Volume: 3 cubic meters Trucking chargeable parameter: 1 cubic meter = 250 Kg Chargeable Weight: (3 cubic meters X 250 Kg) = 750 Kg > 300 Kg Once established charcheable weight, it must multiply by its related price per Kg within two shipping Exel files and display the most competitive one. Clear ? Thanks Toby