Which of the following mistakes would overstate a company's retained earnings at the end of 2020? If a company bought 6 months of prepaid insurance on October 1, 2020 and mistakenly showed it all as an expense. of a company forgot to make an end-of-the-period adjustment at December 31, 2020 for interest accrued during the period on a note payable. If a company recorded too much depreciation expense during 2020. of a company mistakenly recorded dividends paid during 2020 as an expense of that year. O None of the above