[You do not need to read the article to answer the question. Please explain your answer]

True or false:

An excerpt from the article reads: "In 2007, the chicken business was booming. But chicken prices fell about 35% by the end of 2008 from the highs of 2007; poultry producers faced rising prices for feed and slackening exports."The higher feed prices would have shifted the chicken producers' marginal cost curve up or to the left.]