Write SQL query to solve given problem: How much is the discount applied to the order with the highest unit price?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT `Discount Applied` FROM `Sales Orders` WHERE REPLACE(`Unit Price`, ',', '') = ( SELECT REPLACE(`Unit Price`, ',', '') FROM `Sales Orders` ORDER BY REPLACE(`Unit Price`, ',', '') DESC LIMIT 1 ) ORDER BY REPLACE(`Unit Price`, ',', '') DESC LIMIT 1