45. Boardwalk Electronics manufactures 300,000 circuit boards per month. A random sample of 3,000 boards is inspected every week for five characteristics. During a recent week, three defects were found for one characteristic, and two defects each were found for the other four characteristics. If these inspections produced defect counts that were representative of the population, what are the dpmo's for the individual characteristics and what is the overall dpmo for the boards