Need some help with the following questions, thanks!

Question 18 The unemployment rate is the percentage of the: O adult population that is unemployed. O civilian labor force that is unemployed or working part-time. O civilian labor force that is unemployed. O civilian labor force that is unemployed less the number of government workers. Question 19 Using the expenditure approach, "gross private domestic investment" is the sum of: O all of these 0 changes in business inventories O newly produced capital goods 0 xed investment