1. Roberta offers to sell certain land to Emily for $10, 000. This offer is made by a letter, signed by Roberta and mailed on March 1, 2008. The letter also stated that the offer would be kept open until July 1, 2008. About two weeks later, Roberta sent Emily another letter in which she revoked her offer. On June 15, after she had received both letters, Emily wrote to Roberta accepting her offer of March 1. Discuss in detail whether there is a valid contract between Roberta and Emily. Roberta offers to sell certain land to Emily for $10, 000. This offer is made by a letter, signed by Roberta and mailed on March 1, 2008. The letter also stated that the offer would be kept open until July 1, 2008. About two weeks later, Roberta sent Emily another letter in which she revoked her offer. On June 15, after she had received both letters, Emily wrote to Roberta accepting her offer of March 1. Discuss in detail whether there is a valid contract between Roberta and Emily. Discuss the mailbox rule.

1. Garage Doors of Rockville contracts to purchase $50,000.00 worth of remote garage openers from Remotes R US. Remotes R US fails to deliver on the contract. Garage Doors purchases the garage door openers from another vendor for $55,00.00. Two months later, Remotes R US attempts to deliver the openers and Garage Doors of Rockville refuses delivery. Remotes sues Garage Doors for $50,000.00. Garage Doors counter-sues for $50,000.00 plus its attorney fees. Who will prevail and what amount of damages will be awarded?

1. Nano Corp. offers to sell a robotic device to Motor Assembly, Inc. for $15,400.00, but mistakenly transposes some of the digits in the price so in the written offer it appears as $14,500.00. Motor Assembly, Inc. accepts the offer. Can Nano avoid the contract? Why or why not?