Which of the following best describes how the Medical Group Management Association defines a practice emergency?

Any incident or activity that disrupts the practice for more than $72$ hours

Any incident or activity that disrupts the practice for more than $48$ hours

Any incident or activity that disrupts the practice for more than $24$ hours

Any incident or activity that disrupts the practice for more than $12$ hours

Any incident or activity that reduces the practice$$s productivity by more than $50\%$

Any incident or activity that reduces the practice$$s productivity by more than $25\%$