5000 liters of the toxic substance Trioxin was dumped into the local swamp at the beginning of the year 2010. The amount of Trioxin left in the swamp t years after it was dumped there is given 5000 by A(t) = t + 1 A) Find the AVERAGE RATE OF CHANGE in the amount of Trioxin from the beginning of the year 2012 to the beginning of the year 2016. ROUND YOUR ANSWER TO THE NEAREST LITER. The average rate of change is liters per year. B) Find the INSTANTANEOUS RATE OF CHANGE in the amount of Trioxin at the beginning of the year 2016. ROUND YOUR ANSWER TO THE NEAREST LITER. The instantaneous rate of change is liters per year