<Tr> <Th> Girls' Doubles </Th> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> </Tr> <P> The Australian Open total prize money for 2018 was increased by 10% to a tournament record A $55,000,000 . </P> <Table> <Tr> <Td> Event </Td> <Td> </Td> <Td> </Td> <Td> SF </Td> <Td> QF </Td> <Td> Round of 16 </Td> <Td> Round of 32 </Td> <Td> Round of 64 </Td> <Td> Round of 128 </Td> <Td> Q3 </Td> <Td> Q2 </Td> <Td> Q1 </Td> </Tr> <Tr> <Td> Singles </Td> <Td> A $4,000,000 </Td> <Td> A $2,000,000 </Td> <Td> A $880,000 </Td> <Td> A $440,000 </Td> <Td> A $240,000 </Td> <Td> A $142,500 </Td> <Td> A $90,000 </Td> <Td> A $60,000 </Td> <Td> A $30,000 </Td> <Td> A $15,000 </Td> <Td> A $7,500 </Td> </Tr> <Tr> <Td> Doubles * </Td> <Td> A $750,000 </Td> <Td> A $375,000 </Td> <Td> A $185,000 </Td> <Td> A $90,000 </Td> <Td> A $45,000 </Td> <Td> A $22,500 </Td> <Td> A $14,000 </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> </Tr> <Tr> <Td> Mixed Doubles * </Td> <Td> A $160,000 </Td> <Td> A $80,000 </Td> <Td> A $40,000 </Td> <Td> A $20,000 </Td> <Td> A $10,000 </Td> <Td> A $5,000 </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> <Td> N / A </Td> </Tr> </Table> <Tr> <Td> Event </Td> <Td> </Td> <Td> </Td> <Td> SF </Td> <Td> QF </Td> <Td> Round of 16 </Td> <Td> Round of 32 </Td> <Td> Round of 64 </Td> <Td> Round of 128 </Td> <Td> Q3 </Td> <Td> Q2 </Td> <Td> Q1 </Td> </Tr>

What is the prize money at the australian open 2018
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