Answer:
There is a signed contact between Jerry and and Sam, which is legally binding on both parties. The contract must be honored, and can only be contested in a court of law, where there is a breach in contract.
Step-by-step explanation:
There is an offer and acceptance by both Jerry and Sam. The offer is the 10,000 dollars and the acceptance is the service, which Sam is providing by ''taking care of him (Jerry) and his house''.