A manufacturing plant produces two $(2)$ final Assemblies, D and E$.$ The

company would like to produce $150,000$ units of Assembly D and $60,000$

units of Assembly E$.$ The defect rate for Assembly D is $3\%$ and for

Assembly E is $2\%.$

Assembly D requires $3$ units of Sub$-$assembly A and $4$ units of Subassembly B$.$

Assembly E requires $2$ units of Sub$$assembly B and $1$ unit of Subassembly C

The defect rate of Sub$-$assembly A is $6\%$ and of Sub$-$assembly B is $5\%$

and of Sub$-$assembly C is $4\%.$

Draw a simple Work Flow Diagram to represent this manufacturing facility

and then calculate the number of units required for Sub$-$assembly A$,$ B and

C$.$ Calculate to $2$ decimal places and do not round$-$off any more than that

$($do not round$-$up$).$ Show all your work.