The business application owner should have the authority to accept the associated risk, because they are responsible for the performance and outcomes of the critical application, and they understand the business requirements, expectations, and impact of the application. The business application owner can also evaluate the trade-offs between the potential benefits and costs of the application, and the potential risks and consequences of a disruption or failure of the application. The business application owner can also communicate and justify their risk acceptance decision to the senior management and other stakeholders, and ensure that the risk is monitored and reviewed regularly. The other options are less appropriate to have the authority to accept the associated risk. The business continuity director is responsible for overseeing the planning and execution of the business continuity strategy, which includes ensuring the availability andresilience of the critical business processes and applications. However, they are not the owner of the application, and they may not have the full knowledge or authority to accept the risk on behalf of the business. The disaster recovery manager is responsible for managing the recovery and restoration of the IT systems and applications in the event of a disaster or disruption. However, they are not the owner of the application, and they may not have the full knowledge or authority to accept the risk on behalf of the business. The data center manager is responsible for managing the operation and maintenance of the data center infrastructure, which includes providing the physical and environmental security, power, cooling, and network connectivity for the IT systems and applications. However, they are not the owner of the application, and they may not have the full knowledge or authority to accept the risk on behalf of the business. References = Risk IT Framework, ISACA, 2022, p. 181