I need your help with this, please

Data transmission is often strived to have a code with a less variance of the codeword lengths compare to the same average length. Based on the following are 5 letters with frequency of use: Letter L A M # Frequency 0.1 0.2 0.3 0.25 0.15 a. Construct a Huffman code with variance length. Shows your work in building the Huffman tree. (10 Marks) b. Decode the text for 10010011010111000011 with the code in (a). (5 Marks) C. Prove your answer in (a) to shows that the solution is better compared to with fixed length codeword, such as fixed length of three bits. (10 Marks) QUESTION 4 (25 Marks)