Peterson Manufacturing wants to import a machine from Germany. However, the company's head of manufacturing is reluctant to spend the time required to obtain a letter of credit that the German exporter insists on. You are the company's CFO. What advantage of a letter of credit will help convince the head of manufacturing that this is worthwhile?

Firms like papa john’s, domino’s, and pizza hut sell pizza and other products that are differentiated in nature. while numerous pizza chains exist in most locations, the differentiated nature of these firms’ products permits them to charge prices above marginal cost. given these observations, is the pizza industry most likely a monopoly, perfectly competitive, monopolistically competitive, or an oligopoly industry?