A large customer complained that a business application developed by your company sometimes transfers the wrong amount of money to clients, although there are no complaints of the actual users. The expected amount differs from the actually transferred amount by a factor of 10 or 100. After analyzing the log files, you found out that the application itself works fine. The problem seems to be caused by confusing text fields and labels for the decimal place, leading to user errors.
Which usability risk should be reasonably addressed for the next release?
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Correct Answer:
D
When UI ambiguity around decimal placement leads to substantial mis-payments, the primary usability risk is the financial and legal liability that arises from users making costly errors, not general dissatisfaction or support calls.
