For the year ended 30 June 2018, calculate the tax liability and Medicare levy and tax offsets (rebates) of each of the taxpayers below:

a.Single taxpayer, taxable income $17, 650 no private health insurance;

b.Single taxpayer, taxable income $47,000, no private health insurance, 2 dependents (mother and invalid sister); and

c.Single taxpayer, taxable income $95,000, no private health insurance, no dependents.