E814 Using Financial Statment disclosure to inferbad debr expense

The 2011 annual report for sears holding Corporation contained the following information

E8-14 - Using Financial Statement Disclosure to Infer Bad Debt Expense Sears Holding Annual Report 2011 Accounts Receivable 719 Allowance for doubtful A 36 683 Beginning Balance = less beginning bal 39 3 42 $3 39 This is what I done so far but I cant figure out the bad debt Assume that accounts receivale write-offs amounted to $13 during 2011 and $3 during 2010, and that Sears did not record any recoveries Required Determine the bad debt espense for 2011 based on the above facts. so far but I cant figure out the bad debt expense? 2010 691 39 652