1. Can a firm continue to operate for extended periods of time with negative cash flows from investing? Cash flows from financing? Cash flows from operations? Why or why not? 2. Why is it important to compute pro forma common size balance sheets and income statements when evaluating a commercial loan? 3. Explain how sensitivity analysis assists in evaluating commercial loan requests? 4. Explain how an increase in days inventory on hand and an increase in days accounts payable outstanding would impact a firm's operating cash flow? 5. What are the five generally accepted credit events that can trigger a payment from the seller of a credit default swap to the buyer?