Step-by-step explanation:
It is a common situation in office of making serious mistakes while performing a task and almost everybody once in their life time faces such situation.
While making a potentially serious error at the job, the most important reason for correcting the mistake is because it can cause greater harm to the organisation if the mistake is not rectified.
It can also possibly cause harm to others and the consequences can turn out to be worst both for the employees and for the organisation.
It is considered to be a good manner to accept one's mistake and learn from them.
By leaving the mistake as it is and by not correcting it will leave a bad example for the fellow colleagues.