说得艰深点，taxable income 除了工资支出外， 可能还包罗你其余来源的支出，如银行利息支出，投资房净支出，集体小生意净支出等等，然而一旦申报了deduction , 如任务相干的费用，捐款，会计费等， tax able income 就增加了。
你的taxable income 比工资单上的数字少，阐明你没有其余来源的正支出，或是你报了deduction.
按照 adjusted taxable income, 是下列几项的总和：
taxable income
reportable fringe benefits
reportable superannuation contributions
total net investment loss
tax free pensions or benefits
foreign income
tax exempt foreign income
less child support you have paid.
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