Nicole owns a small pottery factory. She can make 1,000 pieces of pottery per year and sell them for €100 each. It costs Nicole €20,000 for the raw materials to produce the 1,000 pieces of pottery. She has invested €100,000 in her factory and equipment: €50,000 from her savings and €50,000 borrowed at 10 percent (assume that she could have loaned her money out at 10 percent, too). Nicole can work at a competing pottery factory for €40,000 per year. The economic profit at Nicole's pottery factory is