Advance Pricing- Query

Why is advanced pricing set up against the customer currency, but the system still validates and applies the adjustment based on the base currency?

It appears that when the adjustment is defined in one currency (e.g., GBP) and the sales order is in another (e.g., EUR), the system still applies the adjustment. I was expecting the adjustment to apply only when the sales order currency matches the adjustment currency. Can you please clarify if this is the intended functionality, or if something is not working as expected?

For example, this typically happens when:

• The adjustment is defined in GBP