Maui Ku'ia Estates Chocolate company is increasing the production of their dark chocolate bars at the rate of 200 chocolate bars per week. The weekly demand function is given by: = 100 0.001, where is the price per chocolate bar and is the number of chocolate bars produced in a week. Find the rate of change of the revenue with respect to time when the weekly production is 2000 chocolates bars. Make sure to include correct units with your answer.