Barkdale Electrical, located in Chicago, U.S., first received an inquiry from an importer in Kuala Lumpur, Malaysia, followed by a request for a quotation. The importer provided the conditions and specifications for the goods they wanted to purchase and everything they asked for was reasonable. Barkdale Electrical should now respond with which of the following documents? A. Pro-forma invoice B. Commercial invoice C. Importation Invoice D. Customs Invoice