List ES$,$ EF$,$ LS$,$ LF$,$ and Slack for all activities on the network and identify the critical path and

completion time. $(6$pt$)$

b$.$ For the indirect cost, if the project can be finished in $26$ days, it is $$4500$; if the project can be

finished in $25$ days, it is $$4200$; if the project can be finished in $24$ days, it is $$3900$; if the project

can be finished in $23$ days, it is $$3600$; if the project can be finished in $22$ days, it is $$3200$; if the

project can be finished in $21$ days, it is $$2700$