The following table represents a plan for a project:

1) Indicate the critical path

1-4-7-10-11

1-2-5-8

1-3-6-8-9-11

1-2-5-8-9-11

2) What is the expected completion time for the project?

3)You can accomplish any one of the following at an additional cost of $2,500. If you will save $1,700 for each day that the earliest completion time is reduced, which of the following actions should be taken, if any?

a) Reduce job 2 by three days.

Yes

No

b) Reduce job 6 by two days.

Yes

No

c) Reduce job 10 by two days.

Yes

No

\begin{tabular}{ccccr} & & \multicolumn{3}{c}{ TIMES (DAYS) } \\ \cline { 3 - 5 } POEEECESSOR & \multicolumn{3}{c}{ PRE } \\ JOB NO. & JOB(S) & a & m & b \\ 1 & & 2 & 4 & 6 \\ 2 & 1 & 3 & 3 & 15 \\ 3 & 1 & 3 & 4 & 11 \\ 4 & 1 & 1 & 2 & 9 \\ 5 & 2 & 2 & 6 & 7 \\ 6 & 3 & 3 & 7 & 8 \\ 7 & 4 & 4 & 6 & 8 \\ 8 & 5,6 & 2 & 3 & 4 \\ 9 & 8 & 1 & 4 & 7 \\ 10 & 7 & 3 & 4 & 5 \\ 11 & 9,10 & 5 & 6 & 7 \end{tabular}