Students are going through a three-step process to obtain their ID cards. Each student will first visit the only registration desk before going to one of 5 cashiers to pay a fee for the card. After that, he/she will visit one of the 8 ID processing stations to have his/her picture taken and the ID card printed. Registration takes 4 minutes. Visits to the cashier and ID processing station take 10 and 15 minutes, respectively. If the bottleneck resource has the utilization of 86%, what is the per hour flow rate through the process? Round your answer to the nearest integer. For the project network described in Question 8, An activity on the project network has a slack time of 2 days. Which of the following is NOT true? Increasing the activity time by 2 days would decrease its slack time by 2 days. Increasing the activity time by 2 days would make this activity critical for the project. Increasing the activity time by 2 days would increase its slack time by 2 days. Increaseing the activity time by more than 2 days would increase the project duration