A labour force can be broken down as follows:
-Potential Labour Force Participants: 55 million
-Employed: 38 million
-Not working, full-time students: 4 million
-Not working, retired: 4 million
-Not working, laid off and expects to be called back to work: 0.5 million
-Not working, discouraged because of lack of jobs: 1 million
-Not working, actively seeking work: 2.5 million
-Not working, household workers: 4 million
-Not working, starting a new job within four weeks: 1 million

a) Using the numbers above, calculate this economy's labour force participation rate (to one decimal point).
b) Using the numbers above, calculate this economy's unemployment rate (to one decimal point).