If activity A were to be delayed and takes three days longer than planned, by how much

would the project be delayed? What will happen to the critical path? Your answer should

be in terms of the following.

i$.$ The project completion time will be $24$ months, the critical path will remain the

same.

ii$.$ The project completion time will be $21,$ the critical path will remain the same.

iii. The project completion time will be $24,$ there will be an alternative critical path

in addition to the current critical path.

iv$.$ The project completion time will be $18,$ critical path will remain the same