4) which one of the following statements is true? a) appraisal costs decrease as quality level decreases. b) appraisal costs increase as the variation of output increases. c) appraisal costs increase as the variation of output decreases. d) appraisal costs stay the same regardless of quality level

On coral island in 2012, the labor force is 12,000, the unemployment rate is 10 percent, and the labor force participation rate is 60 percent. during 2013, 200 unemployed people found jobs and the working-age population increased by 1,000. the total number of people in the labor force did not change. the working-age population at the end of 2013 was the unemployment rate at the end of 2013 was round up to the second decimal. the labor force participation rate at the end of 2013 was round up to the second decimal.