6. Each of the following are an intangible asset except a. copyrights. < b. goodwill. < c. plant expansion fund. < d. trademarks. < 7. Working capital is < capital which has been reinvested in the business < b. unappropriated retained earnings < cash and receivables less current liabilities < d. none of these choices are correct < 8. Non-current liabilities include < a. obligations not expected to be liquidated within the next year or operating cycle. < b. obligations payable at some date beyond the next year or operating cycle. < c. deferred income taxes and most lease obligations. < d. All of these choices are correct