As food prices continue to rise, supermarkets say they are sheltering shoppers from a volatile global market. Charlotte Smith finds out whether its farmers who are cashing in. We spend a fraction of what previous generations put aside for their weekly shop, according to Mark Hill from Deloittes, who warns food price rises are here to stay. Farming Today This Week meets shoppers who are changing where they shop and what they buy as prices go up, and The British Retail Consortium say arable farmers haven't had it so good in years. But farmers insist that despite wheat selling at nearly 50% higher than this time last year, they are not yet in a land of milk and honey. On a farm in Hertfordshire, Charlotte Smith finds modern farmers have to be economists too, as they survey world markets and sell their harvests two years in advance. But farmer Robert Law is enjoying the high price his sheep are fetching - as the national sheep flock falls in number, shoppers are paying more and more for lamb. Presented by Charlotte Smith and Produced by Melvin Rickarby.