. Below is the income tax system from the country of Somemansland. For income from $0 to $19.000, the tax rate is 0% For all income above $19,000, but less than $35,000, the tax rate is 15% For all income above $35,000, the tax rate is 35% . . Jane Plane's income is $70,000. What is her AVERAGE tax rate? 0 20.9% 35.0% 0 28.7% 15.0%