2. At the end of 2020, Sherman Inc. failed to include some goods in its ending inventory and failed to record the purchase of these goods. For 2020, these two errors caused: A) goods available for sale, COGS, and income to be overstated B) ending inventory, COGS, and retained earnings to be understated C) ending inventory, goods available for sale, and retained earnings to be understated D) no effect on COGS, income, or retained earnings E) none of the above