1. GDP INCOME APPROACH Gross Domestic Product
- Consumption of Fixed Capital
= NDP or Net Domestic Product
Net Domestic Product
- Indirect business taxes
- Net foreign factor income earned in US
= NI or National Income

2. GDP INCOME APPROACH National Income - Corporate Income Taxes
- Undistributed Corporate Profits
- Social Security Contributions
+ Transfer Payments
+ Credit Card Spending beyond Income
= PI or personal income

3. GDP INCOME APPROACH PI or Personal Income - PIT or Personal Income Tax
= DI or Disposable Income
DI is divided into two main components
Personal consumption C
Personal saving S

4. Circular Flow Combining both
Taking GDP as equal to C, Ig, G, and Xn
Or taking GDP as equal to the sum of all the income streams you arrive at the same sum.
So it is possible to construct a circular flow model that incorporates all of these elements.