a. Which project network is correct? (ii) (iv b. Prepare an activity schedule. If required, round your answers to two decimal places. Enter " 0 " if your answer is zero. c. What are the critical activities and what is the expected project completion time? If required, round your answer to the nearest whole number. Expected project completion time = weeks. your calculation solely on the critical path. If required, round your answer to one decimal place. T= weeks