Mr. Jones, who owns a lumber mill, wants to develop an information system for tracking shipments to lumber yards. Using the data from the table below, please do the following a. Draw a Gantt chart to help Mr. Jones organize his design project. (4 points) b. Draw a PERT diagram and then list all paths, calculate and identify the critical path. (6 points) Task Must Follow Time (Weeks Description Generate data flow Build decision tree Build data dictiona Write up project Design output prototype Revise output design Write use cases Design database Test database None 10 C and I None 2 None 10 H and F