The activities involved in a candlelight choir service are listed in the following table.

Construct the project network.

Activity Predecessor(s) Duration (days)

A: Select music — 2 B: Learn music A 14 C: Make copies and buy books A 14 D: Tryouts B, C 3 E: Rehearsals D 70 F: Rent candelabra D 14 G: Decorate candelabra F 1 H: Set up decorations D 1 I: Order choir robe stoles D 7 J: Check out public address system D 7 K: Select music tracks J 14 L: Set up public address system K 1 M: Final rehearsal E, G, L 1 N: Choir party H, L, M 1 O: Final program I, N 1