<Table> <Tr> <Th_colspan="2"> G650 </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Gulfstream Aerospace G650 with landing gear down </Td> </Tr> <Tr> <Th> Role </Th> <Td> Business jet </Td> </Tr> <Tr> <Th> National origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> Manufacturer </Th> <Td> Gulfstream Aerospace </Td> </Tr> <Tr> <Th> First flight </Th> <Td> November 25, 2009 </Td> </Tr> <Tr> <Th> Status </Th> <Td> In service </Td> </Tr> <Tr> <Th> Produced </Th> <Td> 2008--present </Td> </Tr> <Tr> <Th> Number built </Th> <Td> 300 as of April 2018 </Td> </Tr> <Tr> <Th> Unit cost </Th> <Td> G650: US $66.61 million 650ER: US $68.68 million </Td> </Tr> </Table> <Tr> <Th_colspan="2"> G650 </Th> </Tr>

What is the price of a gulfstream g650