1. London, U.K. pharmaceutical distributor purchase 40 cartons of pharma product, on open account 30 days. The cartons are transported by air freight from Geneva, Switzerland, on DPU, LHR London, U.K., Incoterms® 2020. Who is obliged to purchase cargo insurance?
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3. 1. No one 
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5. 2. Buyer 
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7. 3. Consignee 
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9.  4. Seller