Compare and contrast the insurance rules from Incoterms® 2010 to Incoterms® 2020.
a) Incoterms® 2020 has stricter insurance regulations than Incoterms® 2010.
b) Incoterms® 2010 and Incoterms® 2020 have the same insurance rules.
c) Incoterms® 2010 places more responsibility on the buyer for insurance than Incoterms® 2020.
d) Incoterms® 2020 offers more flexibility in insurance options compared to Incoterms® 2010.