<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2011) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2011) (Learn how and when to remove this template message) </Td> </Tr> <Table> Grand Marnier <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Type </Th> <Td> Liqueur </Td> </Tr> <Tr> <Th> Manufacturer </Th> <Td> Marnier Lapostolle </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> France </Td> </Tr> <Tr> <Th> Introduced </Th> <Td> 1880 </Td> </Tr> <Tr> <Th> Alcohol by volume </Th> <Td> 40% </Td> </Tr> <Tr> <Th> Proof (US) </Th> <Td> 80 US (70 in UK) </Td> </Tr> <Tr> <Th> Colour </Th> <Td> Orange </Td> </Tr> <Tr> <Th> Flavor </Th> <Td> Orange </Td> </Tr> </Table>

What is the alcohol content of an 80-proof bottle of liquo