The following information was taken from annual reports of Goodyear Tire & Rubber and PPL Corp. , a public utility :

Goodyear PPL

Net sales $ 18.1 billion $ 11.5

Average accounts receivable 2.3 billion 923 million

a. Compute for each company the accounts receivable turnover rate for the year .

b. Compute for each company the average number of days required to collect outstanding receiv- ables (round answers to nearest whole day ).

c. Explain why the figures computed for Goodyear in parts a and b are so different from those computed for PPL.