We$-$NR$-$Dog $($Dog$)$ contracts to deliver $500$ boxes of hot dogs to Food Shop $($Shop$)$ on June $30,2020$ in anticipation of July $4$ sales. The dogs are to be all beef, kosher hotdogs. Each box has $50$ hot dogs and each box costs $$20$eackQuestion $46$On June $24,$ Dog calls Shop and says that they cannot deliver on June $30,$ but may be able to deliver later in the week. Shop spends many hours and searches for hot dogs from another vendor. There are no hot dogs available. On June $29,$ Dog calls and says that they can in fact deliver. Shop tells Dog that they are angry with them and that he deal is off.