please show work in excel and explain so I can see what i am doing wrong. thank you

\begin{tabular}{l|r|r|} \hline ACTIVITY & SCHEDULED & PRECEDENCE \\ \hline TIME & ACTIVITY(IES) \\ \hline 1. Proposal and review & 1 month & \\ \hline 2. Establish master schedule & 2 weeks & 1 \\ \hline 3. Architect selectin process & 5 weeks & 1 \\ \hline 4. Survey whole campus and its & 1 month & 1 \\ \hline needs & & \\ \hline 5. Conceptual architect's plans & 6 weeks & 3 \\ \hline 6. Cost estimating & 2 months & 2,4,5 \\ \hline 7. Deliver plans to board for & 1 month & 6 \\ \hline consideration/decision & & \\ \hline 8. Surveys/regulatory review & 6 weeks & \\ \hline \end{tabular} \begin{tabular}{l|c|c} \hline 9. Construction manager selection & 9 weeks & 6 \\ \hline 10. State review of need for more & 3.5 months & 7,8 \\ \hline hospital beds ("Certificate of Need") & & 10 \\ \hline 11. Design drawings & 4 months & 11 \\ \hline 12. Construction documents & 5 months & 9,11 \\ \hline 13. Site preparation/demolish 4 & 9 weeks & 11 \\ \hline existing building & 2 months & 12,13 \\ \hline 14. Construction start/building pad & 6 weeks & 12 \\ \hline 15. Relocate utilities & 2 months & 14 \\ \hline 16. Deep foundations & 9 months & 11 \\ \hline 17. Building structure in place & \\ \hline \end{tabular} "This list of activities is abbreviated for purposes of this case study. For simplification, assume each week " .25 months (i.e., 2 weeks =.5 month, 6 weeks =1.5 months, etc.). Discussion Questions* 1. Develop the network for planning and construction of the new hospital at Arnold Palmer