Sarah D is going to produce a new CD. She needs to layout her project and find out how long it will take to complete. From her previous experience, she knows the activities and the times it takes to do the project. a. Draw a pert chart showing the shortest time to completion using normal time. Highlight the critical path. b. Given the crash information, what is the shortest time to complete the project, and how much extra will it cost to finish in the shortest possible time? c. If Sarah D wants to take 3 days off the project, which activities should she crash, and how much extra will it cost? Provide the Solver Sheets.