Answer: accepting partial performance
Step-by-step explanation:
From the question, we are informed that Grace found herself in a breach of contract situation where the other party met some of the terms but not others and she thought it would cost a lot of time and money to sue, so she decided to accept the work that had been done and call it good.
The above scenario is an example of accepting partial performance. This is a partial performance because there's a breach of contract as not all the terms that were involved are met.