project management

Directions: Based on the network diagram provided below answer the following questions: Developi Input Screens 39 Design Input Output 31 Problem System Definition Analysis 2 22 Test System Implement System Develop Output Reports 100 Design Database 15 0 0 Develop Database TES 1. Calculate the ES, EF. LS, and LF times and the slack for each activity, 2. Identify the critical path for the project. Can the project be completed in 30 weeks? 3. Assume that Systems Analysis actually finished at 8 weeks,"Design Input & Output actually finished at 15 weeks, and "Design Database' actually finished at 19 weeks. Recalculate the expected project completion time. Which activities would you focus on to get the project back on schedule