So let's see which of these choices match up to that. The average rate of change of the ketchup production over the first four hours, no, that does not tell us the average rate of change. There's other ways to calculate that. The time it takes to produce four kilograms of ketchup. So does this represent the time it takes to represent four kilograms of ketchup? No, this four is a time right over here. This is gonna tell you how much ketchup gets produced from time zero to time four.