The Budd Gear Co. specializes in heat-treating gears for automobile companies. At 8:00 a.m., when Budd's shop opened today, five orders (listed in order of arrival) were waiting to be processed. Order Size Order (units) ABCDE 66084 10 Per Unit Time in Heat Treatment (minutes/unit) 42301 Due Date (min. from now) 160 200 180 190 220 a. If the due date rule is used, what sequence should be used? The sequence is (Click to select) ✓ b. What will be the average job tardiness? (Round your answer to 2 decimal places.) Average job tardiness c. What will be the average number of jobs in the system? (Round your answer to 2 decimal places.) Average number of jobs d. Would the Shortest processing time rule produce better results in terms of average job tardiness? (Round your answer to the nearest whole number.) (Click to select) new average job tardiness is minutes.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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The Budd Gear Co. specializes in heat-treating gears for automobile companies. At 8:00 a.m., when Budd's shop opened today, five
orders (listed in order of arrival) were waiting to be processed.
Order Size
Order (units)
16
ABCDE
66084
10
Per Unit Time in
Heat Treatment
(minutes/unit)
4
12
3
10
1
Due Date
(min. from now)
160
200
180
190
220
a. If the due date rule is used, what sequence should be used?
The sequence is
b. What will be the average job tardiness? (Round your answer to 2 decimal places.)
Average job tardiness
c. What will be the average number of jobs in the system? (Round your answer to 2 decimal places.)
Average number of jobs
d. Would the Shortest processing time rule produce better results in terms of average job tardiness? (Round your answer to the
nearest whole number.)
(Click to select) new average job tardiness is
(Click to select) ✓
minutes.
Transcribed Image Text:The Budd Gear Co. specializes in heat-treating gears for automobile companies. At 8:00 a.m., when Budd's shop opened today, five orders (listed in order of arrival) were waiting to be processed. Order Size Order (units) 16 ABCDE 66084 10 Per Unit Time in Heat Treatment (minutes/unit) 4 12 3 10 1 Due Date (min. from now) 160 200 180 190 220 a. If the due date rule is used, what sequence should be used? The sequence is b. What will be the average job tardiness? (Round your answer to 2 decimal places.) Average job tardiness c. What will be the average number of jobs in the system? (Round your answer to 2 decimal places.) Average number of jobs d. Would the Shortest processing time rule produce better results in terms of average job tardiness? (Round your answer to the nearest whole number.) (Click to select) new average job tardiness is (Click to select) ✓ minutes.
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