A researcher is studying the incidence of earnings restatements over the period between 1995 and 2010. The total number of observations showed 5,437 incidents of restated earnings. The restatements were classified according to the source of the error summarized in the following table.

Source	Observed
Revenue recognition	3,250
Operating expenses	1,685
Pension accounting	289
Other	213

Based solely on the information provided, the empirical probability that a future earnings restatement is not related to revenue recognition is closest to:

Group of answer choices

40%.

50%.

60%.