(a) pie chart Rental Income This pie chart shows Interest how US national (2%) ncome income is derived from (6%) Proprietors varlous sources ome 8%) Corporate profits (12%) Compensation of employees (72%)Compensation of employees (72%) Corporate profits (12%) Proprietor’s income (8%) Interest income (6%) Rental income (2%) This pie chart shows how US national income is derived from various sources. (a) Pie Chart