OMI Inc. had a charge for depreciation of $$15$ million. During the year, the change in Gross Fixed Assets on the balance sheet was an increase of $$50$ million, and the change in Other Long$-$term Assets was a decrease of $$30$ million. What was the net cash flow from investing activities last year?

Multiple Choice

$$80$ million

$-$$$20$ million

$$20$ million

$-$$$80$ million