all questions pls

Based on the following information, compute: 1. Total assets 2. Total liabilities 3. Total Stockholders' Equity Cash =100 Common stock dividends distributable =200 Bonds payable =400 Common stock =500 Dividends payable =40 Retained earnings =600 Treasury Stock =70 Investments =700 4. Name the 3 product costs 5. Give an example of a period cost