Nathan calculated his company’s economic order quantity and categorized all production costs. One cost was related to the cost of storing milk in the freezers, and another cost was related to the insurance expenses that covered the company’s inventory. To which cost category would Nathan assign these costs?

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?