Unearned service revenue represents the following: Select one or more: a. None of theses answers b. Earned revenue c. income earned and recognized in a prior period d. a payment for future services before it is earned e. An asset account The following are true about liabilities: Select one or more: a. Normal balances are credits b. Classified as current and long term c. are equal to assets less stockholders' equity d. Accounts payables are a current liability e. All of the above are correct The bacic principles of accounting require Select one or more: a. only assets are only increased by debits b. all liabilities are increased by only credits c. stockholder's equity only can be increased by issuing new common stock d. debits must equal credits e. all of the above