Was the offer already accepted

1
Offer Revocability
Was the offer already accepted?
Yes
No
Not revocable
Parties explicitly or impliedly agreed the offer
is irrevocable?
Yes
No
Not revocable
Did the offeree begin performance?
No
Yes
Not revocable
Did the offeree rely on the offer (other than by
beginning performance)?
Yes
No
Would it be unjust to allow revocation?
Revocable
Yes
No
Not revocable
Revocable