a. Create a stored procedure that sums the freight for acustomer of your choice (or you can be creative and come up with asituation of your own.) Be sure to document all lines of code toshow your understanding of the concepts.
b. Create a stored procedure that attempts to add a duplicateproduct to the products table. Handle the error and test theoutcome using an if statement and a customized message. Take ascreenshot of a call to the procedure with the error and one wherea unique product is added success. A
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