Yost-Perry Industries​ (YPI) manufactures a mix of affordable guitars​ (A, B,​ C) that are fabricated and assembled at four different processing stations​ (W, X,​ Y, Z). The operation is a batch process with small setup times that can be considered negligible. The product information​ (price, weekly​ demand, and processing​ times) and process sequences are shown below. Purchased parts and raw materials​ (shown as a​ per-unit consumption​ rate) are represented by inverted triangles. YPI is able to make and sell up to the limit of its demand per week with no penalties incurred for not meeting the full demand. Each workstation is staffed by one highly skilled worker who is dedicated to work on that workstation alone and is paid​ $15 per hour. The plant operates one​ 8-hour shift per day and operates on a​ 5-day work week​ (i.e., 40 hours of production per person per​ week). Overhead costs are​ $9,000/week.                                                                                                 $11$8$4$5Step 1Step 1Station WStation WStep 2Step 2Station YStation ZProduct AProduct BRaw materialsRaw materials(13 min)(7 min)(15 min)(13 min)Purchased partStep 1Product CStep 2Station XPurchased partPurchased partRaw materialsStation W$14$5(20 min)(8 min)         x y graph                                               Step 3Step 3Station XStation ZProduct:   AProduct:   B(8 min)(9 min)Price:       $105/unitDemand:  72 units/wkDemand:  72 units/wkPrice:       $95/unitStep 3Station Y(4 min)Product:   CPrice:       $110/unitDemand:  72 units/wk         x y graph Which of the four​ workstations, W,​ X, Y, or Z has the highest aggregate​ workload, and thus serves as the bottleneck for​ YPI?   Workstation W Workstation W Workstation X Workstation Y Workstation Z ​, with a total load time of nothing minutes. ​(Enter your response as an​ integer.)

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
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​Yost-Perry Industries​ (YPI) manufactures a mix of affordable guitars​ (A, B,​ C) that are fabricated and assembled at four different processing stations​ (W, X,​ Y, Z). The operation is a batch process with small setup times that can be considered negligible. The product information​ (price, weekly​ demand, and processing​ times) and process sequences are shown below. Purchased parts and raw materials​ (shown as a​ per-unit consumption​ rate) are represented by inverted triangles. YPI is able to make and sell up to the limit of its demand per week with no penalties incurred for not meeting the full demand. Each workstation is staffed by one highly skilled worker who is dedicated to work on that workstation alone and is paid​ $15 per hour. The plant operates one​ 8-hour shift per day and operates on a​ 5-day work week​ (i.e., 40 hours of production per person per​ week). Overhead costs are​ $9,000/week.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$11$8$4$5Step 1Step 1Station WStation WStep 2Step 2Station YStation ZProduct AProduct BRaw materialsRaw materials(13 min)(7 min)(15 min)(13 min)Purchased partStep 1Product CStep 2Station XPurchased partPurchased partRaw materialsStation W$14$5(20 min)(8 min)
 
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x y graph
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Step 3Step 3Station XStation ZProduct:   AProduct:   B(8 min)(9 min)Price:       $105/unitDemand:  72 units/wkDemand:  72 units/wkPrice:       $95/unitStep 3Station Y(4 min)Product:   CPrice:       $110/unitDemand:  72 units/wk
 
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x y graph
Which of the four​ workstations, W,​ X, Y, or Z has the highest aggregate​ workload, and thus serves as the bottleneck for​ YPI?  
Workstation W
Workstation W
Workstation X
Workstation Y
Workstation Z
​,
with a total load time of
nothing
minutes. ​(Enter your response as an​ integer.)
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ISBN:
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Cengage,