please answer all parts

For the project network (activity-on-node, time duration in "days") diagram below, please answer the following three questions. Q9: What is the project duration in days? Please enter only the numeric value below. [1 point ] Q10: What is the slack (in days) for activity G? Please enter only the numeric value below. Q10: What is the slack (in days) for activity G? Please enter only the numeric value below. [1 point] Q11: What is the new project duration (in days) if both activities C and G get delayed where, activity C gets delayed by 5 days and activity G by 4 days? Please enter only the numeric value below. [1 point] [OPTIONAL] Please briefly describe your solution steps for the project network related questions (\#9, 10, and 11) above