Title 44, Chapter 5, Section 66
Upon a breach of a covenant of warranty of title to land, the
damages awarded should be the purchase money with interest thereon
from the time of sale unless the jury determines, under the
circumstances of the case, that the use of the premises was equal to
the interest on the money and determines that an equitable setoff
should be allowed. However, if valuable improvements have been made
on the premises, the interest should be allowed.