intrusion. Every time this occurs, your company loses $60,000 (asset value, or AV). The Exposure Factor (EF) for this is 80%. Your company is considering purchasing an immutable backup system, or IBS (locks your backups from being tampered with, for up to 14 days after the backup) for $70,000. After installation, it is expected that your company will experience 5 incidents per year, with the same AV, and a new EF of 75%. Should your company purchase the immutable backup system? To receive full credit, you must give: The before purchase ARO Calculate the before purchase SLE (show your work, and yes, you CAN do this "by hand") Calculate the before purchase ALE (show your work, and yes, you CAN do this "by hand") The ARO after purchase of the IBS .The SLE after purchase of the IBS (show your work) The ALE after purchase of the IBS (show your work) Calculate (show your work) any savings or loss after purchase of the IBS