You Are Monitoring an Application and Receive User Feedback That

You are monitoring an application and receive user feedback that a specific error is spiking. You notice that the error is caused by a Service Account having insufficient permissions. You are able to solve the problem but want to be notified if the problem recurs. What should you do?

A) In the Log Viewer, filter the logs on severity 'Error' and the name of the Service Account.
B) Create a sink to BigQuery to export all the logs. Create a Data Studio dashboard on the exported logs.
C) Create a custom log-based metric for the specific error to be used in an Alerting Policy.
D) Grant Project Owner access to the Service Account.