text:  So how much will it cost to make that hamburger? Just a slight increase from last year. A slight increase. USDA economist Megan Schweitzer. So here are the ingredients. First, a quarter pound of ground beef, then a slice of tomato, cheddar cheese, and lettuce, and the burger bun. Compared to a year ago, prices up slightly for beef and tomato, down for cheese, and about the same for the lettuce and the bun. And so add it all up and compared to a year ago... All in total, the price of our burger rose by four cents. ...to an expected...