Price Review Mr. Gregor Mackenzie asked the Minister of Agriculture, Fisheries and Food what plans he has to raise guaranteed prices to farmers; and what is his estimate of the effect the increase will have on food prices. Mr. Prior I would refer the hon. Member to my answer earlier today to my hon. Friend the Member for Devizes (Mr. Charles Morrison) and my hon. Friend the Member for Worcestershire, South (Sir G. Nabarro).