$2\mathrm{.}3\mathrm{.}3$ Observe the decision tree graph and then answer the following questions.

How many leaf nodes does this decision tree model have? Type a whole number here.

How many non$-$leaf nodes does this decision tree model have? Type a whole number here

Use the decision tree model to predict whether the following two customers stay or leave?

$\backslash$table$[[$COLLEGE$,$INCOME,OVERAGE,$\backslash$table$[[$LEFTOVE$],[$R$]],$HOUSE,HP$,$LCPM$,$ACD,RS$,$RUL,$],[$zero$,45678,29,2,313378,161,0,4,$unsat,little,$],[$one$,116147,15,20,800586,244,0,6,$avg,high,$]]$

Abbreviations: HP$=$HANDSET$\_$PRICE; LCPM$=$LONG$\_$CALLS$\_$PER$\_$MONTH; ACD$=$AVERAGE$\_$CALL$\_$DURATION; RS$=$REPORTED$\_$SATISFACTION; RUL$=$REPORTED$\_$USAGE$\_$LEEVEL.