Revenues result from business activities entered into for the purpose of earning income and common sources of revenue are: sales, fees, services, commissions, interest, dividends, royalties, and rent.
Expenses are the cost of assets consumed or services used in the process of earning revenue and common expenses are: salaries expense, rent expense, utilities expense, tax expense, etc.
The balance sheet reports the assets, liabilities, and owner’s equity at a specific date, listing assets at the top, followed by liabilities and owner’s equity.
The income statement reports the revenues and expenses for a specific period of time, listing revenues first, followed by expenses and showing net income (or net loss).