Gizmo Manufacturer,a Widgets Manufacturing Company,divides Its Production Operations into Three

Gizmo Manufacturer,a widgets manufacturing company,divides its production operations into three processes-Department 1,Department 2,and Department 3.The company uses a process costing system.Gizmo incurred the following costs during the year to produce 4,200 units: $$\begin{array} { | l | r | } \hline \text { Department 1 } & \$ 18,000 \\\hline \text { Department 2 } & 9,000 \\\hline \text { Department 3 } & 8,000 \\\hline\end{array}$$ If Gizmo could sell only 3,600 units in during the year,what will be the cost per unit of widget produced? (Round your answer to the nearest cent. )

A) $6.43
B) $4.29
C) $9.72
D) $8.33