A person agrees to rent one of his houses to a lower rental to a friend. After the potential tenant inspect the property he asks permission to renovate it with his own money. the landlord says she will inform later if she can let the potential tenant can rent out for the price agreed before in a week.

1. In this situation, is asking to renovate made by the potential tenant considered as a counter-offer that destroys the previous agreement?
2. Who is the offerer an who is the offeree in this situation?