Unemployment in the manufacturing industry has sharply increased due to unexpected changes. Two recent events occurred: i) unions recently bargained for a wage increase for their workers and ii) companies introduced new robot technology to replace humans in assembling products. Manufacturing workers who are laid off during this period and are looking for new work may be experiencing: Group of answer choices Structural and frictional unemployment Neither structural nor frictional unemployment as they are not in the labor force Frictional unemployment, but not structural unemployment Structural unemployment, but not frictional unemployment