Suppose we are in a world with 2 homogeneous income groups-a "low-wage" group and a "high- wage" group. That is, there are two possible wages in the economy, a low wage wL and a high wage WH, and everyone either earns the low wage wi or the high wage wH. 70% of the population belongs to the low-wage group, and the high wage group earns 20% of total income. What's the Gini Coefficient of this economy