Which one of the following statement regarding a claim for damages isTRUE?

1. The burden is on the claimant to show that he has taken all steps to mitigate his losses.
2. The claimant must negotiate with the defaulting party before suing for damages.
3. The claimant must take reasonable steps to mitigate his losses.
4. The claimant should apply for an injunction to prevent the other party from continuing to breach the contract.