5) Earned Value Management 2 (30 points) A project is defined by the network precedence diagram given below. At the end of day 7, the Project Manager provided an update regarding the percentage of the individual tasks that had been completed as well as the actual costs incurred on the project. Predecessor Actual Cost ($) 110 Duration (Days) 1 Activity Budget ($) 90 %Complete 100 B A 2 40 90 100 40 A 20 40 90 6 B 3 80 D E 60 100 4 F 2 G F 5 40 55 70 40 30 60 100 50 100 H 1 F D, E, G H 7 1 40 J 5 100 Based on this information, calculate: a) The cost variance b) The schedule variance c) The cost performance index d) The schedule performance index Show the work that was used to calculate these values