Answer:
Liabilities must rise in 20 million up to a total amount of 90 million.
Step-by-step explanation:
Accounting Equation Formula:
Assets = Liabilities + Owner's Equity
Assets = 170 million
Liabilities + Owner's Equity = 70 million + 80 million = 150 million
The difference is: 20 million. That is the extra amount that the company must borrow from outside sources, so liabilities will rise up to 90 million.