In January of 2015,the Population of Australia Was 23

In January of 2015,the population of Australia was 23.7 million,the working-age population was 19.2 million,the total number of people employed was 11.7 million,and the total number of people unemployed was 0.8 million.What was the labour force participation rate?

A) 90 per cent
B) 78 per cent
C) 56 per cent
D) 67 per cent
E) 65 per cent