Answer:
Leslie should delete the unwanted and unimportant data from her application.
Explanation:
It is given in the question that Leslies organization collects a large number of data from people. All these data gets stored into her application. Because of the large storage of data in the system, the application runs slow. SO in order to get rid of this problem, Leslie should delete or remove the unwanted data that is not important for her firm. She can also add additional memory so that the space is relieved and more data can be stored.
In this way the application will run fast again.
