On March 10, Lev sent a written offer to Boris to sell 3,000 tons of steel rails on certain specified terms. Boris received this letter on March 11.

On March 10, Lev sent a written offer to Boris to sell 3,000 tons of steel rails on certain specified terms. Boris received this letter on March 11. On March 25, Boris faxed his acceptance which reached Lev at 3 P.M on that day. On the same day, March 25, at 2PM, Lev mailed Boris a revocation of his March 10 offer, which Boris received the following day. Is there a contract? Explain.