Full AWS Practitioner Certification Question

A company runs an application on an Amazon EC2 instance the requires 250 GB of storage space. The application is not used often and has small spikes in usage on weekday mornings and afternoons. The disk I/O can vary with peaks hitting a maximum of 3,000 IOPS. A Solutions Architect must recommend the most cost-effective storage solution that delivers the performance required. Which configuration should the Solutions Architect recommend? Which solution should the solutions architect recommend?