Correct Answer: C
Option A is Incorrect. Billing access control helps to enforce organizational policies at various levels in the resource hierarchy.
Option B is Incorrect. Quotas help to control the spending and unforeseen usage spikes proactively.
Option C is Correct. Resource hierarchy should be implemented for fine-grained management and cost allocation using organizations in Google cloud.
Option D is Incorrect. Budgets are most useful in performing the monitoring of the costs being incurred on google cloud.
https://cloud.google.com/cost-management