Please solve ALL parts of the question. Thank you.

Given the following task time estimates (HOURS), a. How long is the project length? b. What tasks form the critical path? c. What is the LS/LF for activity D.? d. How much slack is there in activity C? How much slack in activity D? e. What if activity D. was delayed by 6 hours, what would be the project length and critical path? f. Referring to letter e., how much slack would be in