And it's only going to get worse. One research firm estimates a 7.5 percent increase every year for the next five years due to high oil prices, higher demand for corn to make alternative fuels, and poor wheat harvests.
And it's only going to get worse. One research firm estimates a 7.5 percent increase every year for the next five years due to high oil prices, higher demand for corn to make alternative fuels, and poor wheat harvests.