In January of 2015,the Number of Employed Persons in Australia

In January of 2015,the number of employed persons in Australia was 11.7 million,the number of unemployed persons was 0.8 million,and the number of persons not in the labour force was 6.7 million.What was the labour force in January of 2015?

A) 12.5 million
B) 14.2 million
C) 15.5 million
D) 5.3 million
E) There is not enough information to answer this question.