1. Please indicate the inquiry, offer, counteroffer, and acceptance in the following correspondence (1) On June 5 th Company B called: Received the sample letter, please send 80 barrels of sesame oil and 60 barrels of soybean oil. (2) On June 6 th Company A sent a telegram: 80 barrels of sesame oil and 60 barrels of soybean oil, with a CIF of 3% Marseille of 2 US dollars per kilogram. The shipping schedule is in August/September and September/October respectively. The irrevocable letter of credit is available at sight and will arrive before the 9 th. (3) On June 8th, Company B called: 6th, sesame oil accepted, letter of credit 90 day forward, soybean oil price competition is fierce, Seoul quoted 0.7 US dollars. (4) On June 9th, Company A sent a telegram: On August 8th, sesame oil only accepts sight letters of credit. Considering the best price for soybean oil for the first transaction is $0.9, a reply will be valid before the 12 th. (5) On June 11th, Company B called: 9 , sesame oil confirmed, soybean oil counteroffer of 0.8 US dollars, please reply on the 14th. (6) On June 13th, Company A sent a telegram: 11. Soybean oil is accepted. Please provide the buyer's name to improve the contract (7) On June 14th, Company B called: 13. In order to apply for an import license, please send a formal invoice in triplicate by air. The buyer is: sesame oil AC company in Paris, and soybean oil GD company in Marseille