how are you able to calculate the net income after taxes and interest?

Response to comments: Okay, this is confusing me. The last comment says create a... the only reason I used that verbiage was to identify what other information they were saying is needed in the previous comments. This is all the info I have to understand the material. Please don't send this back.

Balance Sheet Assets Balance Sheet Liabilitys and Owners Equity Income Statement Current Assets Current Liabilities Revenues Net Sales = 0 Total Revenues = 0 12 Total Current Assets = 0 Long-Term Assets .5 Total Current Liabilities = 0 Gross Income = 0 16 Long-Term Liabilities Expenses 18 19 1 Total Long-Term Assets = 0 12 3 Total Assets 0 Total Long-Term Liabilities = 0 5 Do Assets = Liabilities + Equity? YES! Total Liabilities 0 Total Operating Exxpenses = 0 Owner's / Stockholder's Equity Income Tax Expense Common Stock (Beginning) Interest Expenses Total Net Income 0 End Retained Earnings 0 Statement of Retained Earnings Beginning Retained Earnings Total Owner's / Stockholder's Equity 0 Total Liabilities and Owner's Equity O End Retained Earnings = 0