A fledgling health-tech company is in the process of deploying a novel electronic health record system that is expected to experience variable usage levels with periods of increased demand. The Chief Technology Officer is tasked with assessing the financial impact of different server provisioning options before the application goes live. Which resource should the CTO consult to compare the costs of various server provisioning models, including pay-as-you-go, upfront commitments, and flexible market-based pricing?