Computer services, namely, implementation, customization and updating of software in the field of revenue and yield management, profit optimization, merchandizing, inventory optimization and pricing and inventory analysis; computer consultation with regard to operation and management of software and data enrichment methodologies in the field of revenue and yield management, profit optimization, merchandizing, inventory optimization and pricing and inventory analysis; data automation, management and collection service using propritary software to evaluate, analyze and collect data in the field of revenue and yield management, profit optimization, merchandizing, inventory optimization and pricing and inventory analysis; software application services, namely, providing temporary use of on-line non-downloadable software in the field of revenue and yield management, profit optimization, merchandizing, inventory optimization and pricing and inventory analysis