3. Doris contracts with Jeanne to buy 50 computers at $500 each. By agreement, Jeanne is to deliver the computers on December 1. Doris hopes to sell the computers for $700 each and lines up fifty customers. On November 1, Jeanne tells Doris that she is not going to be able to deliver the computers. Doris spends $250 negotiating contracts with an alternate supplier, Tessa, who charges her $600 for each computer. How much does Jeanne owe Doris in damages? Explain. Must Doris wait until December 1 to sue Jeanne? Why or why not