Which is a primary difference between manufacturing and service operations? Manufacturing operations make intangible goods, while service operations offer tangible services. Service operations are primarily concerned with customer service and care, whereas manufacturing operations don't worry about customer service. Manufacturing operations are more concerned with inventory control and supply chain management than service operations. Service operations can make tangible goods and offer intangible services, while manufacturing only makes tangible goods. Gary is trying to determine how well the company is doing in terms of developing its employees on the new conveyer belt system, while also trying to measure how effective this new system is in moving inventory through the warehouse quickly. Which two elements of the balnced scorecard must Gary use? learning and growth performance; financial performance internal business performance; financial performance learning and growth performance; internal business performance learning and growth performance; customer service performance