The prize money increases each year. In 2013, the prize money for winning a singles title was 2.4 million and in 2014 it was 2.6 million. For the runner-up in the singles final was 1.2 million and 1.3 million respectively. The prize money amount will increase in 2015.
For doubles, the winner won $475,000 in 2013 and $520,000 in 2014. Mixed doubles was $135,500 (2013) and $135,500 (2014). Doubles amounts are per team.
That depends on how well they do in the tournament. The better they do the more points they get toward their ranking, and the more prize money is awarded to them.
6 Million Australian Dollars with an additional 500 thousand prize money for the winner of Melbourne Cup and the Irish St. Leger
According to the Australian Open official website (refer to the link, below), the runners-up (i.e., both men and women) for the 2009 event earned AUS $1 million (approximately US $787,277 and EURO 566,761 as of June 8, 2009).
$1,451,830 for First Place
The cash prize for 2nd place in the theBritish Open golf is £675,000.This is equal to $886,798 US dollars.
About $1.83 million dollars.
$2,000,000
1.25 million
The VRC offered prize money in excess of $6,200,000
600 million for 5 years.
None
that would be 4 australian dollars