Four. (#11) A desktop laser printer has a 300-pixel-per-inch resolution. a. If each pixel is stored in one bit of memory, how many bytes of memory are required to store the complete image of one 8-1/2 by 11-inch piece of paper? ___________ b. The laser printer product manager does not want to be upstaged by the screen product manager, and wants the printer to have 32 levels of gray (well, actually 30 levels of gray, plus black and white). How much memory is required to store the 8-1/2 by 11-inch sheet image now? _________