QRS Corp Is Designing a Product Layout for a New Product

Multiple Choice

QRS Corp. is designing a product layout for a new product. They plan to use this production line 10 hours a day in order to meet forecasted demand of 900 units per day. The following table describes the tasks necessary to produce this product: $$\begin{array} { l l l } \text { Task } & \text { Time (secs) } & \text { Immediate Predecessor } \\\hline \text { a } & 34 & \text { none } \\\text { b } & 20 & \text { a } \\\text { c } & 10 & \text { b } \\\text { d } & 16 & \text { b } \\\text { e } & 10 & \text { c } \\\text { f } & 24 & \text { d, e } \\\text { g } & 38 & \text { f }\end{array}$$ For output to equal forecasted demand, what is the minimum number of workstations needed?

A) 1
B) 3
C) 3.75
D) 4
E) 5