A robot assembles 240 units per hour. After being reprogrammed, the robot assembles 360 units per hour. Which statements are correct for this situation? A) The rate of increase for units per hour is 120%. B) The rate of increase for units per hour is 50%. C) The number of units per minute increases from 4 to 6. Eliminate D) The number of units per minute increases from 4 to 8. E) At the increased rate, the robot assembles 270 units in 45 minutes.