2013 2012 $1,038,159 $996,168 Net Sales Accounts receivable, net of allowances for doubtful accounts of $453 in 2013 and $669 in 2012 $ 176,917 $168,732 Schedule IIValuation and Qualifying Accounts Years Ended December 31, 2013 and 2012 Balance at Beginning of Period Charged to Costs and Expenses Balance at End of Period Deductions 2013 $ 669 $373 $589 $ 453 2012 $1,560 $ 0 $891 $ 669 Allowance for doubtful accounts Allowance for doubtful accounts Allowance for doubtful accounts 2011 $1,459 $343 $242 $1,560 Which of the following statements is correct concerning the analysis of the information that you derived in parts a-c of Question 2.13? Sales has changed in one direction and the accounts receivable and allowance account have changed in the opposite direction which may be of concern. Sales and accounts receivable have changed in the same direction but the allowance account has changed in the opposite direction, which may be a cause for concern. Sales, accounts receivable and the allowance accounts have all changed in the same direction, which is normal. Sales and the allowance changed in the same direction but accounts receivable changed in the opposite direction, which may be a cause for concern. 2013 2012 $1,038,159 $996,168 Net Sales Accounts receivable, net of allowances for doubtful accounts of $453 in 2013 and $669 in 2012 $ 176,917 $168,732 Schedule IIValuation and Qualifying Accounts Years Ended December 31, 2013 and 2012 Balance at Beginning of Period Charged to Costs and Expenses Balance at End of Period Deductions 2013 $ 669 $373 $589 $ 453 2012 $1,560 $ 0 $891 $ 669 Allowance for doubtful accounts Allowance for doubtful accounts Allowance for doubtful accounts 2011 $1,459 $343 $242 $1,560 Which of the following statements is correct concerning the analysis of the information that you derived in parts a-c of Question 2.13? Sales has changed in one direction and the accounts receivable and allowance account have changed in the opposite direction which may be of concern. Sales and accounts receivable have changed in the same direction but the allowance account has changed in the opposite direction, which may be a cause for concern. Sales, accounts receivable and the allowance accounts have all changed in the same direction, which is normal. Sales and the allowance changed in the same direction but accounts receivable changed in the opposite direction, which may be a cause for concern