By extending a “proven”marketing method, a parent can profit in several ways. First, the franchisee’s(特许经营)purchase price gives the parent an immediate return on the plan. Then the sale of supplies to the franchisee provides a continuing source of profits. As new businesses are added and the company’s reputation spreads,the value of the franchise increases and sales of franchises become easier The snowballing effect can be dramatic,Such growth,too,brings into play the economies of scale(规模经济).Regional or national advertising that might be financially impossible for a franchisor with 20 franchisees could be profitable for one with 40.