Read the case below. Sarah needs to be involved in 'project schedule $($time$)$ management.$\text{'}$ Discuss $(1)$ the case based on the main processes that Sarah needs to be involved in the project schedule management $($presented in Figure $6-1)$ and $(2)$ how she can resolve the problems through the processes. If necessary, go beyond the case description and be creative. Typically, why is good project schedule $($time$)$ management so important on projects?