Jurisdiction W has decided to enact a personal income tax on its residents. Policymakers are considering the following alternatives.
a. No tax on income up to $35,000, and a 15 percent tax on all income in excess of $35,000.
b. A 10 percent tax on all income.
c. A 15 percent tax on all income up to $80,000, and no tax on any income in excess of $80,000. Identify the rate structure of each of the three alternatives.