E7-13 Analyzing and Interpreting the Impact of an Inventory Error LO7-5 Dalez Corporation prepared the following two statements of earnings for the current year (simplified for illustrative purposes): During the third quarter, it was discovered that the ending inventory for the first quarter should have been $4,200. Required: 1. What effect did this error have on the pretax earnings of each quarter and of the two quarters combined? Explain. 2. Did this error affect the earnings per share amounts for each quarter? (See the discussion of earnings per share in (C) Chapter 6.) Explain. 3. Prepare corrected statements of earnings for each quarter. 4. Set up a schedule with the following headings to reflect the comparative effects of the correct and original amounts on the statement of earnings