Letter from WSC (Chartwell) to Sir Horace Hamilton [Chairman, Board of Customs and Excise] querying figures: reduced revenue from McKenna duties; whether increased consumption and taxation have been accompanied by increased production and depletion of capital reserves; whether levels of saving have been reduced given the rise in unemployment. He concludes by asking Hamilton to forecast figures.Typescript signed with initials annotated by WSC "Sir Warren Fisher [Permanent Secretary, Treasury] to see".