Given a message:AAAAAAAABBBBCCCD (a) With the aid of appropriate tables and diagrams, build the Huffman code table of the given message. [15 marks] (b) Determine the average number of bits per symbol for the coded message using the code- table you built in Part (a). Show your work. [ 6 marks] (c) Determine the entropy of the message. Show your work. [ 6 marks] (d) Within 100 words, describe one practical example of using the Huffman code in multimedia. [ 8 marks]