When building a corporate-wide business continuity plan, it is discovered there are two separate lines of business systems that could be impacted by the same threat. Which of the following is the BEST method to determine the priority of systems recovery in the event of a disaster?

A. Reviewing the business plans of each department
B. Evaluating the cost associated with each system’s outage
C. Reviewing each system’s key performance indicators (KPIs)
D. Comparing the recovery point objectives (RPOs)