,Larry eventually evicts Renee from his home in early January 2020. Renee has not paid Larry the $900nor the $1000requested for monthly rent. As such, Larry sues Renee for $5,000 in unpaid rent (August 1, 2019, through December 2019). Renee argues that she never agreed upon the $1000 monthly rent and agrees to pay Larry $4,500 for unpaid rent for the 5 months. Larry accepts Renee's offer and the $4,500 was promptly paid to Larry.

What has occurred between Larry and Renee?