Annie Is Planning a Large Surprise Party for Her Sister

Multiple Choice

Annie is planning a large surprise party for her sister Gwendolyn. She has developed the following plan, including estimates of the time (in hours) and cost necessary to perform each of the tasks required. What is the planned duration of the preparation for the surprise party, assuming the critical path is completed?

A) 16 hours
B) 8 hours
C) 20 hours
D) 30 hours