Am I using the AWS cost calculator correctly?

I need 4 instances, 1 m4.large, 2 m4.xlarge, and 1 m4.4xlarge, all with Windows and Std SQL Server. Is the price actually ~$4700 per month to keep the 4 instances up and running 100% of the time? This excludes data transfer costs and elastic IP address costs.

https://calculator.s3.amazonaws.com/index.html This is the calculator in question.
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JReamAsked:
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Rob DyerPrincipal Consultant/Cloud Solutions ArchitectCommented:
As configured, that would be correct.  If you are considering spending that amount monthly, it might be in your interest to re-evaluate your database resource requirements and consider using Reserved Instances or Amazon RDS for SQL Server.
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