Answer:
The correct option is C,performed
Step-by-step explanation:
Going by the fact that each party to the contract has played his or her role in the contract,contract can only be said to have been performed.
Performance implies that Stephanie has discharged duties as a lifeguard at Tim's Water Park as promised initially and Stephanie's performance has been appreciated with Tim's provision of paychecks and free admission as agreed.
All in all, both parties have acted in good faith and performed as appropriate.