How to sum the component prices and show it in Parent item List Price in Commerce Line Grid

Summary:

I have a requeirement in summing up the prices of child or part option prices and include in parent item list price.

Base Model Price = 1000

Each part/option has price as shown below which is coming from configurable item.

I need to calculate as shown below

Let me know how to achieve this to show the total price in parent level line item

Regards

Rahaman

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