11) In a country with a working-age population of 20 million, 13 million are employed, 1.5 million are unemployed, and 1 million of the employed are working part-time, half of whom Wish to work full-time. The size of the labour force is A) 20 million. B) 15.5 million. C) 14.5 million. D) 13 million. E) 11.5 million