The correct answer is option A. Gantt chart. A bar graph that shows what projects or tasks are in process and how much of each is completed is called a Gantt chart. A Gantt chart is a horizontal bar graph that shows the number of work done or completed production in a certain period of time. This production tool is developed by Henry L. Gantt, an American engineer, in 1917.
Answer
Step my step explanation
Restates the main idea and most important details.