The lead project manager of a team is constructing a new football field. The project needs to be completed in 250 days or the company will be fined a $5,000-a-day penalty by the client. The project consists of many steps, or activities, some of which have predecessors What should the lead project manager de to determine how to complete the project on schedule? W Construct a PERT chart to identify the activities on the critical path Concentrate on activities that take the most and the least time Construct a network diagram to identify the activities with undetermined durations Concentrate on activities whose durations remain unknown