The income tax requires that taxpayers pay 10 percent on the first $50,000 of income and 20 percent on all income over $50,000. Elizabeth paid $9,250 in taxes. What were her marginal and average tax rates?
- 20 percent and 13 percent, respectively
- 15 percent and 12 percent, respectively
- 20 percent and 11 percent, respectively
- 10 percent and 12 percent, respectively