A. constructive total loss basis
B. partial loss basis
C. advice of loss basis
D. ex-gratia basis
Correct Answer: Option D
Explanation
Ex gratia (/ˌɛks ˈɡreɪʃiə/; also spelled ex-gratia) is Latin for “by favour”, and is most often used in a legal context. When something has been done ex gratia, it has been done voluntarily, out of kindness or grace.