I thought that I had explained earlier, but it was misunderstood, about buying dear and selling cheap. Of course we do our utmost to buy these strategic materials when we have a certain choice and the opportunity is given to obtain the materials cheap. I could not make an exact answer to my hon. Friend the Member for Louth (Mr. Osborne) as regards every commodity without taking each one by one, but in general we are taking advantage of good opportunities of buying when the going is good.