Required information [The following information applies to the questions displayed below.] Mint Cleaning Incorporated prepared the following unadjusted trial balance at the end of its second year of operations ending December 31. (Assume amounts are reported in thousands of dollars.) Other data not yet recorded at December 31 : a. Insurance expired during the year, $3. b. Depreciation expense for the year, $2. c. Salaries and wages payable, \$5. d. Income tax expense, $7. equired: Jsing the adjusted balances, prepare a statement of retained earnings for the year ended December 31 . (Enter your answers in housands of dollars.)