On Monday morning, Baxter Industries has the following jobs waiting for processing in two departments, milling, and drilling, in that order.   Time Required (hours) Job Mill Drill 216 7   6   327 4   10   462 6   3   519 5   8   258 8   7   617 9   10   Develop a minimum makespan schedule using Johnson's rule. The schedule using Johnson's rule is  -  -  -  -  -  . Choose the correct Gantt chart with the minimum makespan schedule

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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On Monday morning, Baxter Industries has the following jobs waiting for processing in two departments, milling, and drilling, in that order.

  Time Required (hours)
Job Mill Drill
216 7   6  
327 4   10  
462 6   3  
519 5   8  
258 8   7  
617 9   10  

Develop a minimum makespan schedule using Johnson's rule.

The schedule using Johnson's rule is  -  -  -  -  -  .

Choose the correct Gantt chart with the minimum makespan schedule.

A.
8.
C.
D.
MILL
Time
Job
DRILL
Time
Job
MILL
Time
Job
Job
MILL
Time
DRILL
Time 0
Job
DRILL
Time
Joh
MILL
Time
Job
DRILL
Time
04 9
Job
0 4
0
0
0
519 817
327
7 11
0 4
216 327 462
7
6
462 218
14
0 4 9
462 216
13
327
18
519
13
14
255 216 402
22
519
23 25
W.R.D.
26 327 402 619 258
19
25 33
21
18 22
3
30
258
258
327 519 452 215 258
28
32
30
258
617
617 019 327
39 45 48
34 41
617
617
39
22 20 31 38
019 462 215 258
215 462
40
39
617
48
519
517
51
49
327
Transcribed Image Text:A. 8. C. D. MILL Time Job DRILL Time Job MILL Time Job Job MILL Time DRILL Time 0 Job DRILL Time Joh MILL Time Job DRILL Time 04 9 Job 0 4 0 0 0 519 817 327 7 11 0 4 216 327 462 7 6 462 218 14 0 4 9 462 216 13 327 18 519 13 14 255 216 402 22 519 23 25 W.R.D. 26 327 402 619 258 19 25 33 21 18 22 3 30 258 258 327 519 452 215 258 28 32 30 258 617 617 019 327 39 45 48 34 41 617 617 39 22 20 31 38 019 462 215 258 215 462 40 39 617 48 519 517 51 49 327
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