the unit of account is the units in which prices are quoted and account are kept. In Britain prices are quoted in pounds sterling, in France, in French francs. It is usually convenient to use the unit in which the medium of exchange During the rabid German inflation of 1922-23 when price in marks were changing very quickly, German shopkeepers found it move convenient to use dollars as the unit of accout. Prices were quoted in dollar even though payment was made in marks, the German medium of exchange.