Answer:Marketable Title
Explanation:Marketable Title is the one which does not posses any reasonable doubt or any sort of threat of litigation or any defect that may make it hard to sell. This means for example selling a house that has no mortgages and everything is on order and paid up.
The tittle becomes unmarketable if the land has not abide by zoning laws or if there are encumbrances .
*Jack's home is free of any liens or problems and can be easily sold* this clearly tells us that Jack's home is marketable.