A video streaming application uses a source of a matrix of 1920x1080 picture elements (pixels), where each pixel is composed of three color elements (R. G, B) and each color element can take on one of 64 intensity values. The application streams 30 pictures per second a. Find the source rate R (bps). (10 points) b. If the video streaming application aim to increase the frame rate to 60 pictures per second while keeping the same source rate R. (10 points)