Office Automation Inc., developed a proposal for implementing a software system that will standardize the accounts payable function by automatically issuing an electronic payment upon receipt of the vendor invoice. Contained in the proposal is a list of activities that must be accomplished to complete the project. The following table contains relevant information about the activities. (a) Develop a project network. (b) Develop an activity schedule. (c) What are the critical activities? (Enter your answers as a comma-separated list.) What is the expected project completion time (in weeks)? weeks (d) Assume that the company wants to complete the project in six months or 26 weeks. What is the amount of crash time (in weeks) for each activity that minimizes cost? (A,B,C,D,E)=() (e) Develop an activity schedule for the crashed project. (f) What added project cost (in thousands of dollars) is required to meet the six-month completion time? thousands of dollars