Orlando opened a hot dog stand in Brooklyn which unfortunately did not earn him a profit. He had borrowed $5,000 from the bank to set it up, which had to be repaid to the bank in two days. However, Orlando's friend Bob agreed to partner with him starting the subsequent month. From which of the following sources can the bank recover its $5,000 with interest? A. Orlando's secondary financer B. Orlando's savings account C. Orlando's family D. Bob, Orlando's prospective business partner