Microeconomics 18th Edition by Campbell McConnell, Stanley Brue, Sean Flynn

Exercise 5

Suppose a tax is such that an individual with an income of $10,000 pays $2,000 of tax, a person with an income of $20,000 pays $3,000 of tax, a person with an income of $30,000 pays $4,000 of tax, and so forth. What is each person's average tax rate Is this tax regressive, proportional, or progressive