could you please ansnwer this question as soon as possible

Read the case and answer the following questions (25 marks in total): On January 30, 2021, a Michigan (USA) seller sent a Monitoba (Canada) buyer a signed offer to sell 3,000 carpets for US $1,000 each. A complete description of the goods, together with all relevant payment and delivery terms, was included with the offer. The letter stated that the offer was binding and irrevocable until February 28 of the same year. On February 14, the Michigan seller sent another letter to the Monitoba buyer stating, "Ignore our letter of January 30. We have miscalculated and we withdrew our offer." On reading this, the Monitoba buyer decided that the price must have been a good one and advised the Michigan seller in writing on February 15, "We accept your offer of January 30." Questions: The length of each answer should not exceed 400 words. 1. Please describe what legal regime applies to this transaction? (10 marks) 2. Is there a contract between the parties? (10 marks) 3. Who should win this case? (5 marks) words