4. You must show your work for each of a) to d): a) How many bits does it take to store a 3 minute song using an audio encoding method that samples at the rate of 40,000 samples per second using a bit depth of 16, and does not use compression? b) What if it uses a compression scheme of with a compression of 5:1? c) How many bits does it take to store an uncompressed 1,200 x 800 RGB color image? d) If the image was stored in 2.4 Mbits, what is the compression ratio? e) Which version of Mega did you use for d) and why?