You developed a new application for App Engine and are ready to deploy it to production. You need to estimate the costs of running your application on Google Cl...

You developed a new application for App Engine and are ready to deploy it to production. You need to estimate the costs of running your application on Google Cloud Platform as accurately as possible. What should you do?

A. Create a YAML file with the expected usage. Pass this file to the gcloud app estimate command to get an accurate estimation. B. Multiply the costs of your application when it was in development by the number of expected users to get an accurate estimation. C. Use the pricing calculator for App Engine to get an accurate estimation of the expected charges. D. Create a ticket with Google Cloud Billing Support to get an accurate estimation.