ki. A building worth $5,000,000, a fire expert has determined that a fire will occur in the building only once every 25 years and it can destroy the whole building unless an emergency management system is implemented with $2,000,000 cost. a) Based on the above scenario, what is the single loss expectancy (SLE)? b) Calculate the annualized rate of occurrence (ARO)? c) Calculate the Annual Loss Expectancy (ALE) for this scenario