Presented below are three economic events. In each column, indicate whether the event increased, decreased, or had no effect on assets, liabilities, and stockholders' equity. a Purchased supplies on account. b Received cash for performing a service. Expenses paid in cash Assets Liabilities Stockholders' Equity Assets Liabilities Stockha a. Purchased supplies on account. Decreased Increased b. Received cash for performing a service. No Effect C. Expenses paid in cash