Heather$$ Adams, production manager for a Colorado exercise equipment$$ manufacturer, needs to schedule an order for $50$ UltimaSteppers, which are to be shipped in week $8.$ Subscripts indicate quantity required for each parent. Assume$$ lot$-$for$-$lot ordering.

LOADING... Click the icon to view information about the steppers.

Part $2$

$$a$)$ Develop a product structure. Match each number in the structure below with the corresponding item.

Stepper

Upper B Subscript left parenthesis $2$ right parenthesis

Upper F Subscript left parenthesis $3$ right parenthesis

Upper E Subscript left parenthesis $2$ right parenthesis

Upper E Subscript left parenthesis $1$ right parenthesis

II

I

III

IV

V

Number

Item

I

Upper A Subscript left parenthesis $2$ right parenthesis

II

Upper C Subscript left parenthesis $2$ right parenthesis

III

Upper D Subscript left parenthesis $1$ right parenthesis

IV

Upper F Subscript left parenthesis $2$ right parenthesis

V

Upper D Subscript left parenthesis $2$ right parenthesis

Part $3$

$$b$)$ Choose the correct$$ time$-$phased structure.

LOADING... Click the icon to view the completed product structure.

A$.$

$8$

$7$

$6$

$5$

$4$

$3$

$2$

$1$

Time in weeks

stepperUpper AUpper BUpper CUpper DUpper FUpper EUpper FUpper DUpper E

A horizontal line labeled Time in weeks, marked with $8$ ticks from left to right. From the left, the ticks are labeled $1,2,3,4,5,6,7,$ and $8.$ There is a horizontal line segment from $6$ to $8$ labeled as stepper. stepper has three branches labeled A$,$ B$,$ and C$.$ A horizontal line segment from $5$ to $6$ is labeled A and placed above stepper. A horizontal line segment from $4$ to $6$ is labeled B and is in line with stepper. A horizontal line segment from $3$ to $6$ is labeled C and placed below stepper. A has $2$ branches, labeled D and F$.$ A horizontal line segment from $4$ to $5$ is labeled D and placed above A$.$ A horizontal line segment from $3$ to $5$ is labeled F and placed below A$.$ B has $2$ branches, labeled E and F$.$ A horizontal line segment from $2$ to $4$ is labeled E and placed above B$.$ A horizontal line segment from $2$ to $4$ is labeled F and placed below B$.$ C has $2$ branches, labeled D and E$.$ A horizontal line segment from $2$ to $3$ is labeled D and placed above C$.$ A horizontal line segment from $1$ to $3$ is labeled E and placed below C$.$

B$.$

$8$

$7$

$6$

$5$

$4$

$3$

$2$

$1$

Time in weeks

stepperUpper AUpper BUpper CUpper DUpper FUpper EUpper FUpper DUpper E

A horizontal line labeled Time in weeks, marked with $8$ ticks from left to right. From the left, the ticks are labeled $1,2,3,4,5,6,7,$ and $8.$ There is a horizontal line segment from $6$ to $8$ labeled as stepper. stepper has three branches labeled A$,$ B$,$ and C$.$ A horizontal line segment from $3$ to $6$ is labeled A and placed above stepper. A horizontal line segment from $3$ to $6$ is labeled B and is in line with stepper. A horizontal line segment from $3$ to $6$ is labeled C and placed below stepper. A has $2$ branches, labeled D and F$.$ A horizontal line segment from $1$ to $3$ is labeled D and placed above A$.$ A horizontal line segment from $1$ to $3$ is labeled F and placed below A$.$ B has $2$ branches, labeled E and F$.$ A horizontal line segment from $1$ to $3$ is labeled E and placed above B$.$ A horizontal line segment from $1$ to $3$ is labeled F and placed below B$.$ C has $2$ branches, labeled D and E$.$ A horizontal line segment from $1$ to $3$ is labeled D and placed above C$.$ A horizontal line segment from $1$ to $3$ is labeled E and placed below C$.$

C$.$

$1$

$2$

$3$

$4$

$5$

$6$

$7$

$8$

Time in weeks

stepperUpper AUpper BUpper CUpper DUpper FUpper EUpper FUpper DUpper E

A horizontal line labeled Time in weeks, marked with $8$ ticks from left to right. From the left, the ticks are labeled $1,2,3,4,5,6,7,$ and $8.$ There is a horizontal line segment from $1$ to $3$ labeled as stepper. stepper has three branches labeled A$,$ B$,$ and C$.$ A horizontal line segment from $3$ to $4$ is labeled A and placed above stepper. A horizontal line segment from $3$ to $5$ is labeled B and is in line with stepper. A horizontal line segment from $3$ to $6$ is labeled C and placed below stepper. A has $2$ branches, labeled D and F$.$ A horizontal line segment from $4$ to $6$ is labeled D and placed above A$.$ A horizontal line segment from $4$ to $6$ is labeled F and placed below A$.$ B has $2$ branches, labeled E and F$.$ A horizontal line segment from $5$ to $6$ is labeled E and placed above B$.$ A horizontal line segment from $5$ to $7$ is labeled F and placed below B$.$ C has $2$ branches, labeled D and E$.$ A horizontal line segment from $6$ to $8$ is labeled D and placed above C$.$ A horizontal line segment from $6$ to $7$ is labeled E and placed below C$.$

D$.$

$8$

$7$

$6$

$5$

$4$

$3$

$2$

$1$

Time in weeks

stepperUpper AUpper BUpper CUpper DUpper FUpper EUpper FUpper DUpper E

A horizontal line labeled Time in weeks, marked with $8$ ticks from left to right. From the left, the ticks are labeled $1,2,3,4,5,6,7,$ and $8.$ There is a horizontal line segment from $6$ to $8$ labeled as stepper. stepper has three branches labeled A$,$ B$,$ and C$.$ A horizontal line segment from $5$ to $6$ is labeled A and placed above stepper. A horizontal line segment from $4$ to $6$ is labeled B and is in