Assume that the car lot contains 25 percent BMWs, 30 percent Lincolns, and 45 percent Volvos. Of the BMWs, 80 percent have navigation systems, 40 percent of the Lincolns have navigation systems, and 70 percent of the Volvos have navigation systems. Furthermore, 40 percent of the BMWs, 50 percent of the Lincolns, and 30 percent of the Volvos are silver. The property of being silver is independent from having a navigation system. You are assigned a car at random. If the car has a navigation system and is silver, what is the probability that it is a BMW