90 000 000 naira

Good morning I'm owning a bank in Nigeria, i took a loan from the 50,000,000 naira in 2015 i have paid 90,000,000 naira at of today. One lady in the bank is asking me to additional 23,000,000 and her boss is asking me to pay 15,000,000 naira . I accepted to pay the 15.000,000 naira . To pay...