Over the past four years, every small retail store that switched to PeakPoint’s sales-automation software from another provider’s system reported an average revenue increase of between 5 % and 30 % compared to its prior earnings.Therefore, if you currently rely on a competing sales system and decide to adopt PeakPoint’s software, you can be sure of boosting your store’s revenue by at least 5 %.
Which of the following, if true, most seriously weakens the argument above?
A. Some small retail stores that migrated to PeakPoint use different configurations of the software and report varying degrees of success.
B. Of the stores switching to PeakPoint, the majority report increases closer to 5 % than to 30 %.
C. Many store owners who evaluated PeakPoint’s software ended up remaining with their original sales-automation providers.
D. PeakPoint’s software offers specialized inventory-management functions that are not available in all competing systems.
E. PeakPoint, although a relatively new option on the market, has rapidly expanded to other sales-related services in just four years.