In a country with a working-age population of 375 million, 288 million are employed, 18 million are unemployed, and 6 million of the employed are working part-time, half of whom wish to work full-time and 6 million of the unemployed are cyclically unemployed. 1) The labour force participation rate is %. 2) The unemployment rate is %. 3) The employment rate is %. 4) The involuntary part-time rate is 51 The natural unemployment rate is %