BBC viewers' questions put to Cargill boss
Cargill is a company name that you might not be familiar with. But the chances are the firm has some impact on the food that you eat.
It supplies companies the world over with raw materials, and is one of the world's largest food commodity traders.
It is also reportedly America's biggest privately held company.
Jonathan Frewin visited Cargill's headquarters in Minnesota, to find out more about the firm from the company's chairman and chief executive, Greg Page.
The questions he asked were suggested by members of the BBC audience.