(Use the data below in answering questions 2-5. In these data, D = the date of the month you were born on, e.g. if you were born on March 18, for you D = 18.) The island nation of Erehwon has three industries: manufacturing, agriculture and services. Each national industry has 50 million workers. Centralia is a small (one county) metropolitan area in Erehwon. Centralia has total employment of 150,000 workers. Centralias employment is divided (75,000 + D*100) in manufacturing, zero in agriculture and (75,000-D*100) in services. The Centralia County government wants to do an impact study of a proposed expansion of the XYZ Manufacturing Company in Centralia. Currently the plant has 200 workers and the expansion would increase its employment by 150 workers to 350 workers. All of the new output will be shipped to new markets outside Centralia. The Centralia County government contracts with Regional Consulting Inc. (RCI) to do an impact study. Use D=1

b. What will be the Lead Groups estimate of the size of the entire basic sector (B) in Centralia?