Consider a production line that is to be used for 10 hours per day in order to meet forecasted demand of 900 units per day. The following precedence diagram with times in seconds describes the tasks necessary to produce this product:
![79_Untitled.png](https://secure.tutorsglobe.com/CMSImages/79_Untitled.png)
For output equal to forecasted demand, what is the % idle time and efficiency of this line if tasks are assigned to workstations using the longest task time rule?