I'm posting this question for the third time. Every time I'm getting simply copy-pasted the wrong answer, not the so-called "Expert Answer." If you can not answer the question, then please please do not copy-paste and west my question limit. It's truly frustrating.

In the following example, the project manager knows the succession of the project activities and the expected time (in weeks) for the following activities. You need to show the critical path and answer how much time is needed to finish the project as early as possible. Activity Description Predecessor Expected Time 12 T1 -- T2 T3 9 10 T1 2 T4 T5 T2 T3 10 9 Select administrative and medical staff. Select site and do site survey Select equipment and prepare final construction plans and layout Bring utilities to the site. Interview applicants and fill positions in nursing support staff, maintenance, and security. Purchase and take delivery of equipment. Construct the hospital and Develop an information system Install the equipment Train nurses and support staff TO T4 20 T7 TO 15 T8 T9 T5, T6 17, T3 4 9