Did Clothier properly reject the ties delivered on June 3?
Yes, because the ties were nonconforming goods. 
Yes, because Kravat did not notify Clothier that the ties were shipped as an accommodation to Clothier. 
No, because Kravat could accept Clothier's offer by prompt shipment of either conforming or nonconforming goods. 
No, because Clothier waived his right to reject the ties by not returning them promptly to Kravat.