$2$ public set methods. one sets contract number $($setContractNum$().$ the is named setHoursandMins$(),$ and it accepts the number of minutes for the rental and then sets the hours, extra minutes over an hours, and the total price. for example, $70$ minutes is $1$ hour and $10$ minutes. the total price is $$40$ per hours plus $$1$ for every extra minute. in java