Using the My Guitar Shop database you installed in Module $1,$ develop the following queries. Write a script that creates and calls a stored function named discount$\_$price that calculates the discount price of an item in the Order$\_$Items table $($discount amount subtracted from item price$).$ To do that, this function should accept one parameter for the item ID$,$ and it should return the value of the discount price for that item. Execute the query and take a screenshot of the query and the results.