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 8 cashiers to pay a fee for the card. After that, he/she will visit one of the 7 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 84%, what is the per hour flow rate through the process? Round your answer to the nearest integer