MILLER - The cоuntry оf Ecоlаnd hаs а tax system with two tax brackets as such: An individual pays income tax at a rate of 10% on the first $20,000 of income, a 20% tax rate on any income over $20,000 but less than $50,000. And a 30% tax rate on anything over $50,000. What would be the tax owed by an individual making an income of $25,000?