You are estimating your company's external financing needs for the next year. At the end of the year you expect that owners' equity will be $80 million, total assets will amount to $170 million, and total liabilities will be $70 million. How much will your firm need to borrow, or otherwise acquire, from outside sources during the year?A. $20 millionB. $70 millionC. $150 millionD. $160 millionE. $180 millionF. None of the above.