Eva offers to buy Henry's sailboat, located in San Francisco, on delivery of the boat to Eva's dock in Newport Beach, three hundred miles south of San Francisco. Henry rigs the boat and sets sail. Shortly before his arrival at Newport Beach, Henry receives a radio message from Eva withdrawing her offer. Please thoroughly explain the legal status as to the sale under BOTH the Old Approach and the Modern Approach related to the revocation of offers. Minimum 10 lines