At 2 minutes, our temperature is 60 degrees. And then this is over a change in 3 minutes. 5 minus 2 is 3. So this gets us, let me scroll to the right a little bit, this gives us negative 8 degrees Celsius over 3 minutes. Or the rate at 3 and a half minutes is going to be approximately negative 8 thirds degrees Celsius per minute. So that is part A. And then part B.