Given the following income tax schedule, draw a graph illustrating the marginal and average tax rates as

Question:

Given the following income tax schedule, draw a graph illustrating the marginal and average tax rates as a function of income level.
Income Tax Rate
$0-$10.000 ..................................10%
$10,001 - $20,000 ..........................13%
$20,000-$30.000 ...........................15%
$30.001-$50,000 ...........................20%
$50,001 and above ..........................25%