For the following set of character occurrences:

Find the entropy.

Create a proper Shanon$-$Fanno code.

Create a proper Huffman code.

$,$ Find the redundancy of each code. Compare.

$A=9$

$B=8$

$C=12$

$D=5$

$E=4$

$F=1$

$G=6$

$H=10$

$I=8$

$J=7$