If you are not selling the print the only "correct" way is what works for you. If you are selling the print, the only official "correct" way is what works for your customer.

Since your paper size is 11x14 you have the option of no mounting at all. Just drop the print into an 11x14 picture frame behind the mat and you are done. You can quickly change the image out later and since you have done nothing to the image, all of you options are still open for a different future presentation style.