Casco Corporation has shut down most of its operations due to financial distress. The company's remaining assets are: $20 million cash, $10 million accounts receivable, manufacturing equipment currently worth $150 million and a building purchased at $100 million ten years ago but now worth $250 million. Casco's debt comprises: 1) a $100 million mortgage loan secured by the building; II) a $50 million loan secured by the manufacturing equipment; III) a senior debt with principal of $250 million; IV) a subordinated debt with principal of $150 million. Assume that 60% of accounts receivable can be recovered. Suppose all these debts were due today, how much would holders of the junior debt receive? A) zero B) $26 million C) $30 million D) $150 million