I hope this helps. If I need to know explain further let me know.
Where’s the Picture of the cone
The input is the cost or the amount of money Mr. Edward has to pay in order to park. The output is the parking space allotted for every hour that the car is parked.
It could also be that the input is the effort Mr. Edward put in asking for the cost while the output is the information needed by Mr. Edward - the cost of parking per hour.
