What are the legal repercussions for not following the contract?
Then you need to consider whether you cannot deliver at the price or did you just realize you could have earned a lot more?
Also, how did you end up not knowing your pricing was so off beforehand? It sounds like you might have some internal issues that need to be worked on as well.
It really depends on what has happened.
Is an agreement signed? Is this client essential?
What are the legal repercussions for not following the contract?
Then you need to consider whether you cannot deliver at the price or did you just realize you could have earned a lot more?
Also, how did you end up not knowing your pricing was so off beforehand? It sounds like you might have some internal issues that need to be worked on as well.