Presented here are five economic events. For each item, indicate whether the event increased (+), decreased (-), or had no effect (NE) on assets, liabilities, and stockholders' equity. Assets Liabilities + Stockholders' Equity 1. Purchased computers on account. 2. Provided services on account 3. Paid employees' salaries. 4. Dividends paid in cash. 5. Received cash for services rendered