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Part $1$

As the production planner for Xiangling Hu$$ Products, Inc., you have been given a bill of material for a bracket that is made up of a$$ base, $$springs$,$ and clamps. The base is assembled from clamp and housings. Each clamp has handle and casting. Each housing has bearings and shaft. There is no inventory on hand.

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Part $2$

Your boss at Xiangling Hu$$ Products, Inc., has just provided you with the schedule and lead times for the bracket. The unit is to be prepared in week $.$ The lead times for the components are bracket$(1$ week$),$ base$(1$ week$),$ spring$(1$ week$),$ clamp$(1$ week$),$ housing $($weeks$),$ handle $($ week$),$ casting $($weeks$),$ bearing$(1$ week$),$ and shaft$(1$ week$).$

Part $3$

$$a$)$ Choose the correct$$ time$-$phased product structure for the bracket.

A$.$

$5$

$6$

$7$

$8$

$9$

$10$

$11$

$12$

Time in weeks

Horizontal line labeled Time in weeks, has $8$ ticks. From left to right, the ticks are labeled $5,6,7,8,9,10,11,$ and $12.$ There is a dashed vertical line segment at $12.$ A horizontal line segment from $11$ to $12$ is labeled bracket. It has three branches labeled as base, spring, and clamp. A horizontal line segment from $10$ to $11$ above bracket is base, a horizontal line segment from $10$ to $11$ below base is spring, and a horizontal line segment from $10$ to $11$ below bracket is clamp. Horizontal line segments base and clamp has two branches each. Base has two branches, clamp and housing. A horizontal line segment from $9$ to $10$ above base is clamp and a horizontal line segment from $7$ to $10$ below base is housing. The third branch of bracket that is clamp has two branches, handle and casting. A horizontal line segment from $8$ to $10$ above clamp is labeled handle and a horizontal line segment from $7$ to $10$ below clamp is labeled casting. The branch clamp of base has two branches, handle and casting. A horizontal line segment from $7$ to $9$ above clamp is labeled handle and a horizontal line segment from $6$ to $9$ below clamp is labeled casting. Housing has two branches, bearing and shaft. A horizontal line segment from $6$ to $7$ above housing is labeled bearing and a horizontal line segment from $6$ to $7$ below housing is labeled shaft.

B$.$

$5$

$6$

$7$

$8$

$9$

$10$

$11$

$12$

Time in weeks

Horizontal line labeled Time in weeks, has $8$ ticks. From left to right, the ticks are labeled $5,6,7,8,9,10,11,$ and $12.$ There is a dashed vertical line segment at $12.$ A horizontal line segment from $11$ to $12$ is labeled bracket. It has three branches labeled as base, spring, and clamp. A horizontal line segment from $10$ to $11$ above bracket is base, a horizonal line segment from $10$ to $11$ below base is spring, and a horizontal line segment from $10$ to $11$ below bracket is clamp. Horizonal line segments base and clamp has two branches each. Base has two branches, clamp and housing. A horizontal line segment from $9$ to $10$ above base is clamp and a horizontal line segment from $7$ to $10$ below base is housing. The third branch of bracket that is clamp has two branches, handle and casting. A horizontal line segment from $8$ to $10$ above clamp is labeled handle and a horizontal line segment from $6$ to $10$ below clamp is labeled casting. The branch clamp of base has two branches, handle and casting. A horizontal line segment from $7$ to $9$ above clamp is labeled handle and a horizontal line segment from $5$ to $9$ below clamp is labeled casting. Housing has two branches, bearing and shaft. A horizontal line segment from $6$ to $7$ above housing is labeled bearing and a horizontal line segment from $6$ to $7$ below housing is labeled shaft.

C$.$

$5$

$6$

$7$

$8$

$9$

$10$

$11$

$12$

Time in weeks

Horizontal line labeled Time in weeks, has $8$ ticks. From left to right, the ticks are labeled $5,6,7,8,9,10,11,$ and $12.$ There is dashed vertical line segment at $12.$ A line horizontal line segment from $11$ to $12$ is labeled bracket. It has three branches labeled as base, spring, and clamp. A horizontal line segment from $10$ to $11$ above bracket is base, a horizonal line from $10$ to $11$ below base is spring, and a horizontal line segment from $10$ to $11$ below bracket is clamp. Horizonal line segments base and clamp has two branches each. Base has two branches, clamp and housing. A horizontal line segment from $9$ to $10$ above base is clamp and a horizontal line segment from $8$ to $10$ below base is housing. The third branch of bracket that is clamp has two branches, handle and casting. A horizontal line segment from $8$ to $10$ above clamp is labeled handle and a horizontal line segment from $6$ to $10$ below clamp is labeled casting. The branch clamp of base has two branches, handle and casting. A horizontal line segment from $7$ to $9$ above clamp is labeled handle and a horizontal line segment from $5$ to $9$ below clamp is labeled casting. Housing has two branches, bearing and shaft. A horizontal line segment from $7$ to $8$ above housing labeled bearing and a horizontal line segment from $7$ to $8$ below housing is labeled shaft.