All your company's workloads currently run from an on-premises data centre. The existing hardware is due for a refresh in 3 years, and your company has commissioned several teams to explore various cloud platforms. Your team is in charge of exploring Google Cloud, and you would like to carry out proof of concept work for migration of some workloads to GCP. Your manager has been asked for your suggestion on minimizing costs while enabling the proof of concept work to continue without committing for longer-term use. What should your recommendation be?