Regarding data-level, application-level, and business-level disaster recovery, which of the following statements is correct?

Regarding data-level, application-level, and business-level disaster recovery, which of the following statements is correct?
A . Regarding RTO, data-level <application-level <business-level
B . Regarding RTO, data-level <business-level <application-level
C . Regarding TCO, data-level <application-level <business-level
D . Regarding TCO, business-level <data-level <application-level

Answer: C