In: Accounting
| Year 1 | Year 2 | Year 3 | |
| Assets: | |||
| Residence | 50,000 | 50,000 | 200,000 | 
| Stocks and bonds | 10,000 | 10,000 | 10,000 | 
| Automobiles | 15,000 | 15,000 | 40,000 | 
| Cash | 5,000 | 8,000 | 20,000 | 
| Liabilities: | |||
| Mortgage balance | 40,000 | 30,000 | 0 | 
| Auto loan | 8,000 | 5,000 | 0 | 
| Student loans | 10,000 | 8,000 | 0 | 
| Income: | |||
| Salary | 30,000 | 35,000 | 40,000 | 
| Other | 0 | 1,000 | 1,000 | 
| Expenses: | |||
| Mortgage payments | 5,000 | 5,000 | 0 | 
| Car payments | 1,000 | 5,000 | 2,500 | 
| Student loan payments | 1,000 | 1,000 | 500 | 
| Other living expenses | 15,000 | 15,000 | 20,000 | 
| Total living expenses | 22,000 | 26,000 | 23,000 | 
Calculate the amount of income from unknown sources
We can use net worth asset method fro calculating Unknown Income
| Comparative Net Worth Asset Method | |||
| Particulars | Year 1 | Year 2 | Year 3 | 
| Residence | 50,000 | 50,000 | 200,000 | 
| Stock and Bonds | 10,000 | 10,000 | 10,000 | 
| Automobiles | 15,000 | 15,000 | 40,000 | 
| Cash | 5,000 | 8,000 | 20,000 | 
| Total Assets | 80,000 | 83,000 | 270,000 | 
| Liabilities | |||
| Mortgage Balance | 40,000 | 30,000 | - | 
| Auto Loan | 8,000 | 5,000 | - | 
| Student Loan | 10,000 | 8,000 | - | 
| Total Liabilities | 58,000 | 43,000 | - | 
| Net Worth (Total Asset - Liabilities) | 22,000 | 40,000 | 270,000 | 
| Change in Net Worth (Previous Year Net Worth - Current Year Net Worth) | 18,000 | 230,000 | |
| Plus : Total Living Cost | 22,000 | 26,000 | 23,000 | 
| Total Income | 44,000 | 44,000 | 253,000 | 
| Less : Known Income | (30,000) | (36,000) | (41,000) | 
| Income From Unknown Sources | 14,000 | 8,000 | 212,000 | 
In the Year 1 unknown income is 14000
In the Year 2 Unknown income is 8000
In the year 3 Unknown income is 212000
Known income = Salary + Other Income