Sandra Company reported these income statement data for a 2-year period. 2022 2021 Sales $245,000 $205,800 Beginning inventory 39,200 29,400 197,960 169,540 Cost of goods purchased Cost of goods available for sale 237,160 198,940 Ending inventory 49,000 39,200 Cost of goods sold 188,160 159,740 Gross profit $56,840 $46,060 Sandra uses a periodic inventory system. The inventories at January 1, 2021 and December 31, 2022, are correct. However, the ending inventory at December 31, 2021 is overstated by $3,920. Prepare correct income statement data for the 2 years. 2021 2022 eTextbook and Media What is the cumulative effect of the inventory error on total gross profit for the 2 years? (If answer is zero please enter O, do not leave any field blank.) Total gross profit for the two years $