They want x amount of data processed, and are willing to give $y to do it. If the OP has found a way to offer x at a much lower price than estimated, good for h

They want x amount of data processed, and are willing to give $y to do it. If the OP has found a way to offer x at a much lower price than estimated, good for him. People make shitty deals all the time, he is under no obligation to tell tell them to fix it. The relationship is contractual and nothing more.