Need some help with these practice questions, no working out needed, thanks!

Question 9 The economy is considered to be at full employment when 0 the actual rate of unemployment is less than the natural rate. 0 the leading economic indicators are unchanged for two consecutive quarters. O the rate of cyclical unemployment is zero. 0 frictional plus structural unemployment is less than the natural rate. 0 structural unemployment is zero. Question 10 A criticism of the unemployment rate is that: 0 All of these are problems. 0 Underemployment is measured in the calculation. 0 Discouraged workers are measured in the calculation. 0 The data includes part time workers as fully employed. Question 11 Which of the following statements is true? O Demand-pull inflation is caused by excess total spending. O If nominal interest rates remain the same and the inflation rate falls, real interest rates increase. O If real interest rates are negative, lenders incur loses. O Cost-push inflation is caused by an increase in resource costs. O All of these are true. Question 12 The inflation rate is calculated O by determining the change in the price index from the preceding period. O by adding up the price increases of all goods and services. O by determining the percentage increase in the consumer price index from the preceding period. O by computing a simple average of the price increases for all goods and services