The following information is given for a construction project to add another small training facility at a retail company $($time in weeks$)$:

$\backslash$table$[[$Activity$,$Duration,Predecessor$],[$a$,4,$None$],[$b$,6,$a$],[$c$,4,$a$],[$d$,2,$c$],[$e$,4,$b$],[$f$,5,$b$,$ d$],[$g$,3,$c$],[$h$,4,$f$,$ g$],[$i$,2,$e$,$ h$]]$

Question $1(5$ Points$)$:

What is the critical path?

Question $2(5$ Points$)$:

What is the project completion time?

Question $3(5$ Points$)$:

What is the sum of all slack times?

Question $4(5$ Points$)$:

Create a Gantt chart.