The following percentages were computed using figures from recent annual reports of Weis Markets, a large grocery store chain, and Sprint Corporation, a provider of telecommunication services.
Weis Sprint
Allowance for doubtful accounts as a percentage of net sales........0.06%............0.59%
Accounts receivable as a percentage of net sales ...........................2.5................6.6
Explain why Sprint's percentages are so much larger than Weis Markets' percentages.