In the following table the activities with their precedence sequence and expected time $($days$)$ are listed for a project:

Activity Immediate Predecessors Time $($days$)$ A $-6$ B A $3$ C A $4$ D B $2$ E C $6$ F C $2$ G E$.$F $3$ H D $2$ I G $3$ J H$.$I $4$

Draw an AON Diagram:

Diagram must have forward and back pass and show the notations of LS$,$ LS$,$ EF$,$ LF

a$.$ Critical path$($s$)$ provide letters qquad days.

b$.$ The project length is $$ days.

pls and thank you