future orders, the return on previous orders, the reliability of the estimate of capital employed and so forth. These factors vary greatly from industry to industry and it is not possible to make precise comparisons between the rates allowed, beyond saying that the general basis has been that stated above, 5. The figure of 10% does not, of course, imply a dividend of 10% to the shareholders. Prudent firms must provide out of their profits for such things as allocations to reserve, deferred maintenance, and post-war contingencies.