Gst on mense profit and rent received as compromise

Q1. Whether GST will be applicable on mense profit?

Q2. If A have to pay Rs. 20,000 as rent to a company on monthly basis and being a defaulter for long. Afterwards they come to a compromise to pay and receive Rs. 5,000 as rent for the default period and vacate the premises? Whether GST will be applicable on Rs. 5000/- as rent received?