After kicking-off the NuoTech project, Sarah's project sponsor asked her to crash the project by six weeks. Sarah decided to crash the project using Cost-Duration Graph method. The team has figured out that most of the activities identified have multiple maximum crashing time-units. However, Sarah advised the team that they need to crash only one time-unit of each identified activity in each round of crashing. What is the reason to do so? She wants to reduce the time of overall crashing. She wants to reduce the cost of the overall crashing. She wants to understand how much cost the mentioned crashing has saved She wants to understand the impacts the mentioned crashing has to other activities