[15 points] A process requires 6 tasks that must be performed in order. Currently there are 4 employees that are equally skilled at each task. Employee 1 is assigned tasks 1 and 2, employee 2 is assigned task 3, employee 3 is assigned task 4, and employee 4 is assigned to tasks 5 and 6 . The task times (all in seconds) are given in the process diagram below. For example, task 1 requires 29 seconds. Suppose the system started without any work in process inventory (i.e., an empty system). How long would this process take to produce 22 units (in seconds)