The accounting student made a number of errors. Review the work sheet for addition mistakes, transpositions, and other errors and make all necessary corrections. The following adjusting entries were to have been analyzed and entered onto the work sheet. a. Ending inventory of supplies as of March 31, \$140. b. Unexpired insurance as of March 31, $530. c. Depreciation of office equipment, $270. d. Wages earned, but not paid as of March 31, $100. Correcting Work Sheet with Errors: Joyce Lee's Tax Service Work Sheet For Month Ended March 31, 20