Your team is in the process of developing a data lake platform on Google Cloud, with a plan to store all raw data in Cloud Storage. With an anticipated ingestion rate of approximately 25 GB of data per day, the billing department has raised concerns about the rising costs associated with storing older data. The current business requirements are as follows: • Old data can be deleted at any time. • There is no predefined access pattern for the old data. • Old data must be accessible instantly when needed. • There should be no charges associated with data retrieval. What measures can you implement to optimize storage costs while meeting these requirements?