STUDY QUESTIONS AND PROBLEMS 2.1. What information is provided in a balance sheet? 2.2. How is a common-size balance sheet created? 2.3. Discuss how marketable securities are valued on the balance sheet. 2.4. How can the allowance for doubtful accounts be used to assess earnings quality? 2.5. Why is the valuation of inventories important in financial reporting? 2.6. Why would a company switch to the LIFO method of inventory valuation in an inflation- ary period? produce an ending