Roy B. Kester, Accounting theory and practice… (1922)
“ Some system of perpetual inventory is almost indispensable. In a small business where the buyer, usually the owner, is in intimate contact with all departments, a fairly satisfactory [Pg 424] control of merchandise can be secured without a perpetual inventory. In a business of some size, however, the perpetual inventory is an almost absolute essential if movement of stock is to be kept under control. ”
