What is the BEST way to get a monthly cost estimation for this architecture?

An architecture design includes Amazon EC2, an Elastic Load Balancer, and Amazon RDS.

What is the BEST way to get a monthly cost estimation for this architecture?
A . Open an AWS Support case, provide the architecture proposal, and ask for a monthly cost estimation.
B . Collect the published prices of the AWS services and calculate the monthly estimate.
C . Use the AWS Simple Monthly Calculator to estimate the monthly cost.
D . Use the AWS Total Cost of Ownership (TCO) Calculator to estimate the monthly cost.

View Answer

Answer: C

Explanation:

Reference: https://docs.aws.amazon.com/pricing-calculator/latest/userguide/aws-pc.pdf