need help with explanation

Samuel Company was hired to provide landscaping services and maintain the grounds at Protocase Limited. Samuel agreed to a six-month contract beginning May 1 , 2022 and ending October 31, 2022. The contract required Protocase to pay the total entire contract amount of $18,600 on October 31,2022 If we assume Samuel Company adjusts its books annually and that Samuel Company has a fiscal yearend of June 30, 2022. What entry is required on June 30,2022