How do you implement this, keeping simplicity in mind?

You are working on a project that contains a million SKUs. The merchant has requested the product view page to have a custom color schema and page layout depending on the product price range.
How do you implement this, keeping simplicity in mind?
A. Create a custom block which will dynamically choose the appropriate template
B. Specify custom layout update XML in the admin panel for every product
C. Write a Data Patch which will set the appropriate layout update XML for every product record
D. Enable the dynamic product page UI component and configure it to use a different layout per price range

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