Surrey Inc. reported net incomes for the last three years as follows: 2018, $ 62,000; 2019, $ 63,000; 2020, $ 60,000 In reviewing the accounts in 2021 (after the books for the prior year had been closed), you find that the following errors have been made: 2018 2019 2020 I Overstatement of ending inventory $ $7.500 8,500 $ 4,000 Understatement of accrued advertising expense 1100..... 2,0001,200 Instructions a) Prepare the corrected net incomes for 2018, 2019, and 2020. b) Report the adjusted entries of the given year