Management Of Institutions And Programs For Children Youth And Elderly

Identify the work simplification tool for boiling potatoes given in the image below:

Arrange the steps in making a time schedule in correct order:
A. Classifying each task into flexible and non-flexible category & estimating the time required for each task as accurately as possible
B. Listing all the tasks that need to be completed
C. Ensuring that the total estimated time for all activities and the actual time available are in harmony
D. Listing the tasks according to priority and determining the time when they need to be completed
E. Penning down the final time schedule and following it accordingly

Which method/technique is used to analyze the tasks involved in completing a given project, especially the time needed to complete each task, and identifying the minimum time needed to complete the total project?