Need some help with these economic questions! thanks

Question 3 An example of structural unemployment is aln): O textile worker who quits one job and waits for the new job to begin. 0 engineer permanently laid off due to advances in technology. 0 All of these. 0 computer programmer who becomes rich and leaves the labor force. Question 4 Full employment is the situation in which the economy operates at an unemployment rate the sum of: O cyclical and frictional unemployment. O structural and frictional unemployment. O structural and cyclical unemployment. O structural, frictional, and cyclical unemployment