Exercise 11-17 (Algo) Determining retained earnings balance LO C3 Tuscan Incorporated had a retained earnings balance of $88,000 at December 31,2019 . During the year, Tuscan had the following selected transactions. - Reported net income of $128,000 - Revised an estimate of a machine's salvage value. Depreciation increased by $3,800 per year. - An error was discovered. Three years ago, a purchase of a building was incorrectly expensed. The effect is understated retained earnings of $40,000 (net of tax benefit). - Paid cash dividends of $61,000. Calculate the retained earnings balance at December 31,2020 . Note: Amounts to be deducted should be indicated with a minus sign. earnings of $40,000 (net of tax benefit). - Paid cash dividends of $61,000. Calculate the retained earnings balance at December 31, 2020. Note: Amounts to be deducted should be indicated with a minus sign