Required information [The kolowing information apples to fhe quesoens derpiliyod beiow) 5. Refer to the original data. During the fust year, the store sold only 4.000 pars of sandals and reperted the soloeing coeratirg resultist a. What is the steres degee of operating leverage? b. Angie is confident that with a more intense sales effort and w th a moee creative advertialhg program ahe can increase init ceres by. 50 s neat yoar, Using the degree of operasing ieverage, what would be the expected percentaje increase in nat operating income if Angie is able to incresse unit sales by 50%