(a) Explain "labour force' and "unemployment'. Calculate the labour force participation rate and the unemployment rate from the information given below: Table 1 Labour Force Malaysia May 2020 Category Number of persons Labour force 15.71 million Employed 14.89 million Outside labour force 7.39 million (8 marks) (b) Distinguish between 'natural rate of unemployment' and 'disequilibrium unemployment'. Explain ONE possible cause with an example for each category of unemployment mentioned