1. Pre-calculated handling fee: 1000 Yuan× 0.15 =150 yuan.

2. Then calculate the monthly repayable principal and interest: (1000 yuan+150 yuan)/1February = 87.5 yuan.

3. You need to repay 87.5 yuan every month.

Summary: According to the information given, the loan of 1 1,000 yuan needs to pay a handling fee of 15%, which will be paid off in one year. So I have to pay 87.5 yuan every month.

Extended data:

Peer-to-peer lending refers to lending through the Internet platform. In practice, in addition to handling fees, interest rates, management fees and other factors will also be involved. Please note that when choosing and using online loans, you must understand the relevant terms and expenses to ensure that you have the ability to repay on time.