Seller Contracts to Deliver 25 Vans to Buyer on or Before

Seller contracts to deliver 25 vans to buyer on or before March 1.All the other terms to the contract are fixed.On January 2,the seller informs the buyer that the seller will not be able to deliver the goods as promised.The buyer immediately contracts with someone else for the vans.On February 1,the original seller informs the buyer that the vans will be delivered per the original contract.The buyer refuses to accept these vans,and the original seller sues.Discuss the most likely outcome to the suit,fully developing the legal rights of each party.