The optical disk project team has started gathering the information necessary to develop the project network$-$predecessor activities and activity times in weeks. The results of their meeting are found in the following table.

A$.$ After develop the project network can you complete the project within $45$ weeks?

B$.$ What is the critical path?

C$.$ What is the duration of the project based on this critical path?

D$.$ If you delay activity no $2$ for $2$ weeks what happened with the project?

E$.$ How long yo can delay activity no $15?$