Calculated new rows with filter

Hi all,

I have a table that looks like this:

The problem is that the Online Price for country UK is in Pounds and the Online Price for other countries is in Euro.

I would like to add a row to the table when country is UK that calculates the price in EURO that gets a different country name : UK in Eur. I already have the exchange rate loaded in a measure called "EUR per unit for GBP"

So it would look something like this: