DBS Banking Group operates in three countries $($i$.$e$.,$ Singapore, Malaysia, and the USA$)$ and each country maintains its own home loan, credit card, and car loan business units with databases in its local currency $($i$.$e$.,$ SGD$,$ MYR$,$ USD$)$ and metric standard $($i$.$e$.,$ meters in Singapore and Malaysia; feet in the USA$).$ Now, the head office of DBS Banking Group located in Singapore has decided to establish a global data warehouse for its enterprise$-$level business intelligence system, accessible by the head office and all operating countries. Additionally, the credit card unit$$s BI reporting will be accessible to its auditor located in Monaco. The business analysts of the banking group aim to use the BI system within six months.

Task: Propose and justify an appropriate data warehouse architecture based on the scenarios mentioned above. You must draw out your proposed data warehouse architecture and clearly label all key components. A screenshot of a hand$-$drawn figure is acceptable