You have been provided the following by your new boss, at a dream job you've just landed: * Balance sheet of a company with total assets of $250 MM, out of which we have marketable securities and other Short-term investments of $140 MM; in addition, there a total of $160 MM in terms of liabilities, including long-term debt and some other financial obligations of of $75 MM * On the Income Statement, there is overall revenue of $100 MM, with an operating margin of 25%, and you calculate a marginal tax rate of 35% Given that the company you are working on focuses on the aspect of overall efficiency, how would you analyze its return on investment?