$10.[3$ pts$/$ea$]$ Decision Tree

Given the following data

$1)$ compute $\backslash ($ H $\backslash )($Target$)$

$2)$ compute entropy $($i$.$e$.,\backslash ($ H$(\backslash$operatorname$\{$Target$\}\backslash$mid A$)\backslash )),$ information gain and gain ratio of attribute $\backslash ($ A $\backslash ),$ respectively.