Problem on scheduling and network analysis

"(1) Create an Activity-on-Node network diagram (use Microsoft Visio or some other graphics tool). (2) Calculate and state the ES (early start), LS (late start), EF (early finish), and LF (late finish) values (place into the diagram). (3) Calculate and state the Total Slack values for each activity (place into the diagram). (4) What is the critical path? (5) What is the projected project end date? (6) If the Load Firmware activity (i.e., Activity 6) duration increases to 11 days, does this change the project end date? Why? If so, what is the new end date? "