After a seven-month auction process, Subway has signed a definite agreement to be acquired by Roarke Capital for a reported $9.6 billion. Roarke has extensive experience managing big restaurant chains. It owns Inspire Brands, the parent of Arby’s, Baskin-Robbins, Buffalo Wild Wings, Dunkin’, Jimmy John’s and Sonic, and Focus Brands, which controls Auntie Anne’s, Carvel,…