Office Automation Inc., developed a proposal for implementing a software system that will standardize the accounts payable function by automatically issuing an electronic payment upon receipt of the vendor invoice. Contained in the proposal is a list of activities that must be accomplished to complete the project. The following table contains relevant information about the activities.

Time $($weeks$)$ Cost $($$$1,000$s$)$

Activity Description Immediate

Predecessor Normal Crash Normal Crash

A Plan needs $1083070$

B Order equipment A $86120150$

C Install equipment B $107100160$

D Set up training lab A $764050$

E Conduct training course D $1085075$

F Test system C$,$ E $3360$