Identify any costs drivers or benefits from the Open Group and CIO reports that are not adequately addressed by this report and by the build vs. buy calculators.

Conduct a critical analysis of build vs. buy.

Read: Public Cloud vs. Private Cloud (ServerPronto)

https://www.serverpronto.com/spu/2017/05/public-cloud-hosting-vs-private-cloud-hosting/

Identify any costs drivers or benefits from the Open Group and CIO reports that are not adequately addressed by this report and by the build vs. buy calculators

https://www.expedient.com/knowledgebase/tools-and-calculators/cloud-build-vs-buy-calculator/

Estimate the cloud based (buy) offering using freely available AWS or Azure pricing calculators, such as:

https://calculator.s3.amazonaws.com/index.html, or

https://azure.microsoft.com/en-us/pricing/calculator/

Include a rough estimate of on-premise (build) costs.