On April 2, Dan sent a letter to Matt offering to sell Matt his computer for $250. On April 3, Matt mailed Dan a letter accepting Dan's offer. On April 4, Dan changed his mind and mailed a letter to Matt that stated, "I revoke." Matt got Dan's letter on April 6 at 2pm. Dan got Matt's letter on April 6 at 6pm. What result?

Group of answer choices

There is a contract, which was formed on April 3.

There is no contract; Dan's revocation was effective at 2pm on April 6.

There is no contract; Dan's revocation was effective on April 4.

There is a contract, which was formed at 6pm on April 6.