Problem 3.2A (Static) Analyzing and Journalizing Transactions (LO3-3 through LO3-8) Environmental Services, Inc., performs various tests on wells and septic systems. A few of the company's business transactions occurring during August are described as follows. 1. On August 1, the company billed customers $2,500 on account for services rendered. - Customers are required to make full payment within 30 days. (Environmental Services uses an account entitled Testing Service Revenue when billing customers.) 2. On August 3, the company purchased testing supplies costing $3,800, paying $800 cash and charging the remainder on the company's 30-day account at Penn Chemicals. The testing supplies are expected to last several months. 3. On August 5, the company returned to Penn Chemicals $100 of testing supplies that were not needed. The return of these supplies reduced by $100 the amount owed to Penn Chemicals. 4. On August 17, the company issued an additional 2,500 shares of capital stock at $8 per share. The cash raised will be used to purchase new testing equipment in September. 5. On August 22, the company received $600 cash from customers it had billed on August 1. 6. On August 29, the company paid its outstanding account payable to Penn Chemicals. 7. On August 30, a cash dividend totaling $6,800 was declared and paid to the company's stockholders. I Required: b. Prepare journal entries for the above transactions. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)