$1.$ Doug Casey is in charge of planning and coordinating next spring$$s sales management training program for paying attendees. Doug has listed the following activity

information for this project.

Immed. Time $($in weeks$)$ Max. Red. Crash

Act. Description Predec. Opti$-$ Most Pessi$-$ Time Cost$/$d

mist. Prob. mist. $($in days$)($in $$)$

A Plan topic $-1\mathrm{.}52\mathrm{.}02\mathrm{.}5230$

B Obtain speakers A $2\mathrm{.}02\mathrm{.}56\mathrm{.}0310$

C List meeting locations $-1\mathrm{.}02\mathrm{.}03\mathrm{.}0230$

D Select location C $1\mathrm{.}52\mathrm{.}02\mathrm{.}5230$

E Finalize speaker travels B$,$D $0\mathrm{.}51\mathrm{.}01\mathrm{.}5120$

F Final check with speakers E $1\mathrm{.}02\mathrm{.}03\mathrm{.}0230$

G Prepare and mail prochure B$,$D $3\mathrm{.}03\mathrm{.}57\mathrm{.}0320$

H Make Hotel reservations G $3\mathrm{.}04\mathrm{.}05\mathrm{.}0410$

I Handle last$-$minute updates F$,$H $1\mathrm{.}52\mathrm{.}02\mathrm{.}5120$

assignment

$($a$)$ Draw a project network.

$($b$)$ Compute expected activity times and prepare an activity schedule, i$.$e$.$ determine

earliest and latest start and finish times.