A company has a hybrid cloud architecture where its on-premises data center is connected to its multiple virtual private clouds in AWS using an AWS Transit Gateway. The company has a service-oriented architecture with several application services distributed across its VPCs as well as on its local data center. Gathering logs from each service takes a significant amount of time, especially if one module experiences a system outage. To rectify this issue, aggregating the system logs from the on-premises servers and Amazon EC2 instances should be implemented. There should also be a way to analyze the logs for audit and review purposes. As a DevOps Engineer, which among the following options is the MOST cost-effective solution that entails the LEAST amount of effort to implement?