Hubbard Heaters Inc. is financed 30% with common equity, 30% with preferred equity and 40% with debt. Total payments made to these financiers last year was $500,000. This year, due to unseasonably cold temperatures, Hubbard has excess cash of $1,000,000. Assuming all expenses have been paid and all positive NPV projects have been undertaken, which group is most likely to receive an extra payout beyond what it is owed?

Preferred stockholders

Common stockholders

Debtholders