From the ATO calculator: An income under $41,595 in 2008/09 you pay nothing Your taxable income $ 60,000 Your HELP compulsory repayment for 2008-09 is: $3,600.00 Your taxable income $ 70,000 Your HELP compulsory repayment for 2008-09 is: $4,900.00 Your taxable income $ 80,000 Your ...