1. **State the problem:** Calculate the total state income tax owed on a $60,000 salary using the given progressive tax rates. 2. **Given tax brackets and calculations:** - First $6,000 taxed at 3%: $$6,000 \times 0.03 = 180$$ - Next $9,000 taxed at 4%: $$9,000 \times 0.04 = 360$$ - Remaining $45,000 taxed at 6%: $$45,000 \times 0.06 = 2,700$$ 3. **Calculate total tax:** $$\text{Tax} = 180 + 360 + 2,700$$ 4. **Add the amounts:** $$\text{Tax} = 3,240$$ 5. **Answer:** The total state income tax owed on a $60,000 salary is **3,240**.