Austin Has Invested $50,000 as One of 5 General Partners

Austin has invested $50,000 as one of 5 general partners in a large shopping center that was purchased for $900,000.The shopping center has been unsuccessful and the 15 unlimited partners fear that the property could be foreclosed upon soon.What amount is Austin liable for if the project fails?

A) $60,000
B) $18,000
C) $180,000
D) $900,000
E) $50,000