Below is selected data of Pronto Company: Balance Sheet Data As of December 31: 2012 2011 Accounts receivable Allowance for doubtful accounts Net accounts receivable $671,000$642,000 100022,000 S640,000$620,000 Inventories - LCM $542,500$642,500 Income Statenent Data Net credit sales Net cash sales Net sales Cost of goods sold $3,150,000$3,000,000 800,000 600,000 $3.950,000! $3.600,000 $2.390,000 $2,160,000 Selling, general and adm. expenses 475,000 350,000 50,000 25,000 S3.015.000 $2.635.000 S 935,00OS 965,000 ther Total operating expenses Net income Required: a. What is the accounts receivable turnover for 2012? b. What is the inventory turnover for 2012? c. Comment on the change of quality of the account receivables from 2011 to 2012. Assuming the estimate of the Allowance account is about right, is it justifiable to accept the change of account receivable quality from 2011 to 2012