3. (15 points) DLSU is about to begin the construction for the Phase 1 of the Mutien Maric Hall renovation. The Office of Campus Development (OCD) is currently planning the schedule for this project. OCD has identified the five major activities (labeled A,B,,E ) that will need to be performed according to the project network show in Figure 1, followed by a table giving the normal and crash points for each of these activities. a) Find the lloat/slack of each activity, critical path and completion time of the project using the normal time of each artivitu / \& inintel b) The administrators of DLSU want to speed up the construction lime of the project. OCD was then given an additional PS,000 to shorten the project completion time by doing some crashing. Using information on the crash time and costs of each activity, identify which actisilies should be craslied based on the allocated budget. Indicate llie order of priority of crashing (4points)