what should a chisel be used to cut before installing a door strike?\ntenon\nmortise\nchamfer\neasement

what should a chisel be used to cut before installing a door strike?\ntenon\nmortise\nchamfer\neasement
Answer
Brief Explanations:
A chisel is used to cut a mortise (a recessed hole or slot) to fit a door strike. A tenon is a projecting piece, a chamfer is an angled edge, and an easement is a legal right - not relevant here.
Answer:
B. mortise