Consider the following for McKinley and Son, Inc.: 12/31/2014 12/31/2015 Total assets $55,000,000 $62,000,000 non interest bearing current liabilities 1,100,000 1,320,000 net income 3,300,000 3,426,000 Interest expense 726,000 770,000 Tax rate 35% 35% question a) evaluate the company in terms of ROI. question b) While income has increased in fiscal 2015, is it clear that the company's performance has improved