Suppose that a project management team is trying to set up a realistic schedule for the data gathering and proposal phases of a project. The team looks over the situation and lists the activities that need to be accomplished along with the dependencies (as detailed below). 4 Days Activities Immediate Predecessor Expected Duration A. Conduct Interviews None 3 Days B. Administer Questionnaires None 4 Days C. Read Company Reports AB D. Analyze Data Flow 8 Days E. Introduce Prototype 8 Days F. Observe Reactions to Prototype 3 Days G. Perform Cost/Benefit Analysis DE 3 Days H. Prepare Proposal F G 2 Days 1. Present Proposal H 2 Days What is the expected completion time (in days) for the project? O 16 O 23 O 28 O 21 None of these choices