Madelyn works at a computer component manufacturer. Although her company is small, compared to its competitors, it has several big-name clients with large demands, keeping the plant operating 18 hours a day. To keep up with the demand and ensure all orders are filled on time, Madelyn creates a graphical illustration to show multiple projects on one chart. This chart helps her to prioritize and schedule project activities that use the same resources during a set period. Madelyn is using a: Group of answer choices Gantt chart. panning sheet. PERT. bar graph