The amount of the credit steps down at various income levels depending on your filing status. (turbotax.intuit.com)
The amounts to be paid are based on the average amounts of money that parents at various income levels spend to raise a child. (familyllb.com)
The USDA started giving out nutritional advice more than 100 years ago with a table of food composition and dietary standards that later morphed into food shopping guides for various income levels. (articles.chicagotribune.com)