A=10, B=7, C=8, D=4, E=5. When is the earliest time that Activities A-D can start? What about Activity E? If you were a project manager managing this schedule excerpt, what concerns might you have, if any, regarding the risk of Activity E beginning on time? What general rule or management principle could you derive from this network excerpt?https://classroom.aspen.edu/content/enforced/28685-MGT646-MST(S)82017/chart.jpg?_&d2lSessionVal=Wd1q87Wd3R3ZPbbraalz3HHjZ