Dave and Ellen are newly married and living in their first house. The yearly premium on their homeowner$$s insurance policy is $$700$ for the coverage they need. Their insurance company offers an annual discount of $6$ percent if they install dead$-$bolt locks on all exterior doors. The couple can also receive an annual discount of $3$ percent if they install smoke detectors on each floor. They have contacted a locksmith, who will provide and install dead$-$bolt locks on the two exterior doors for $$84$ each. At the local hardware store, smoke detectors cost $$19$ each, and the new house has two floors. Dave and Ellen can install the smoke detectors themselves.

What discount will Dave and Ellen receive if they install the dead$-$bolt locks?

What discount will Dave and Ellen receive if they install smoke detectors?