On May $1,2020,$ FIU Realty Inc. mailed a written offer to Stephen Balkaran for the sale of an office building in Hartford. The offer included an express term that would expire on June $30,2019,$ if the acceptance was not delivered into the hands of the offeror by the expiration date. On June $30,2019,$ at $8$:$00$ a$.$m$.,$ Stephen sent a written acceptance to CCSU via his personal messenger. However, the messenger was not able to deliver the acceptance until July $1,2019.$ On July $2,2019,$ CCSU contacted Stephen Balkaran, informing him that the acceptance had been delivered one day late. As a result, CCSU refused to honor the acceptance Please advise Stephen of his legal rights.