Activity Predecessors Activity Time $($days$)$

A Develop conference theme $5$

B Determine attendees $5$

C Contract facility A $10$

D Choose entertainment A $12$

E Send announcement B $8$

F Order gifts B $7$

G Order materials B $3$

H Plan schedule of sessions C $43$

I Design printed materials B$,$H $17$

J Schedule session rooms C $3$

K Print directions H $12$

L Develop travel memo E $8$

M Write gift letter F $8$

N Confirm catering H $3$

O Communicate with speakers H $6$

P Track RSVPs and assign roommates L $33$

Q Print materials I $5$

R Assign table numbers P $2$

S Compile packets of materials G $3$

T Submit audiovisual needs O $4$

U Put together welcome letter P $5$

V Confirm arrangements with hotel P $3$

W Print badges G$,$P $5$