When congress conducts an investigation to explore the relationship between what a law intended and what an executive agency has done, it is engaged in oversight advice and consent appropriations direct patronage

answer; analytical,creative and practical;

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.