Steve is the HR manager at Distri Inc., which is preparing for the launch of a new product line. The company needs to know how many new customer service representatives to add to help customers with questions and concerns about the existing and new products. To guide the company, Steve needs information about the number of employees currently providing customer service, the number likely to be in those jobs next year, and the number expected to move to other positions in the organization. The information will be easier to organize and interpret if Steve uses a(n):.