Question: In a certain state, the state income tax is calculated based on a progressive tax system. For a single taxpayer, the tax rates are as follows: 0% on the first $10,000 of taxable income 5% on taxable income between $10,001 and $40,000 8% on taxable income above $40,000 If a single taxpayer has a taxable income of $50,000, how much state income tax will they owe?