(1 point) The population of Cook island has always been modeled by a logistic equation P' =r(C - P) with growth rate r = 2 and carrying capacity C = 6500 with time t in years. Starting in 2000, 8 citizens of Cook Island have left every year to become a mathematician, never to return. What is the new differential equation modeling the population of the island P? 4500 = 0