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, $5. b. Depreciation expense for the year, $4. c. Salaries and wages payable, \$7. d. Income tax expense, $9. 3. By what amount would net income have been understated or overstated had the adjusting journal entries not been recorded? (Enter your answers in thousands of dollars.)