In the event the result of the election is in favor of the acceptance of the offer so submitted to the people, the city council or board shall accept such offer, complete the sale by the conveyance to the purchaser of the property purchased and execute and deliver proper deeds of conveyance therefor. In connection with such sale, such city council or board may make and enter into an agreement with the purchaser for the operation of the property so purchased and the furnishing to the people of ice and may fix maximum rates therefor during such period as may then be agreed upon.