Proctor Power has fixed assets worth $200 million and net working capital worth $100 million. It is financed partly by equity and partly by three issues of debt. These consist of $250 million of First Mortgage Bonds secured only on the company's fixed assets, $100 million of senior debentures, and $120 million of subordinated debentures. If the debt were due today, how much would each debt holder is entitled to receive?