Forms of abuse relating directly to pricing include price exploitation. Cost benchmarking is one effective method for identifying competitive pricing within the industry. Managers must understand fixed costs in order to make decisions about products and pricing. One last category of pricing abuse is price discrimination. This process consists of consumers finding purchase convenience, attractive pricing, and shopping around. Retail is the next frontier for dynamic pricing. Examples of companies which partake in premium pricing in the marketplace include Rolex and Bentley. Videos are not available as part of the images pricing or subscription arrangements. They too vary in pricing and privacy. There are many ways of approaching value-based pricing. In 2011, Netflix split its service pricing. The companies reportedly were unable to come to an agreement on pricing issues. The ERM optimizes business performance by influencing different aspects like pricing and resource allocation. This is an extension of the dual-tariff energy pricing mentioned above. This includes the use of predatory pricing toward smaller competitors.