A work cell is required to make 140 computerized diagnostic assemblies (for installation into hybrid automobiles) each day. The cell currently works an eight hour shift, of which seven hours is available for productive work. These assemblies require five operations. Standard times for these operations are: Operation A, 3.0 minutes, B, 1.8 minutes, C, 2.4 minutes, D, 2.5 minutes, and E, 1.4 minutes. a. What is the cycle time for this cell? [ Select ] b. How many workers will be needed to achieve this schedule? [ Select] In assembly-line balancing, the theoretical minimum number of workstations is: not always possible to reach when tasks are actually assigned to stations. all of these. the ratio of the sum of all task times to cycle time. always (when a fraction) rounded upward to the next larger integer value. none of these