Los Angeles County should add a total of 150,000 payroll jobs over the course of this year and next, bringing employment to record levels, the Los Angeles County Economic Development Corp. said in its annual forecast released this morning, the Los Angeles Business Journal reports. The forecast, from the LAEDC’s Kyser Center for Economic Research, also predicted that the unemployment rate will dip to 6.6 percent by the end of next year, its lowest level in eight years.