Author:
Dannie Young

http://homework.plus/acc-300-assignment-16/

1. Problem 16-8

The following table shows orders to be processed at a machine shop as of 8:00 a.m. Monday. The jobs have different operations they must go through. Processing times are in days. Jobs are listed in order of arrival.

Job

Processing Time (Days)

Due Date (Days)

Remaining Number of Operations

A

8

20

2

B

10

18

4

C

5

25

5

D

11

17

3

E 9 35 4

Determine the processing sequence at the first work center using each of these rules: (1) First come, first served, (2) Slack per operation

2. Problem 16-17

Given the following information on job times and due dates.

Job Time

Due Date

Job

(Hours)

(Hours)

a

3.5

7

b

2.0

6

c

4.5

18

d

5.0

22

e

2.5

4

f 6.0 20

a-1. Determine the optimal processing sequence using (1) First come, first served, (2) Shortest processing time, (3) Earliest due date, and (4) Critical ratio

3. Problem 16-18

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

Order Size (units)

Per Unit Time in Heat Treatment (minutes/unit)

Due Date (min. from now)

A

16

4

160

B

6

12

200

C

10

3

180

D

8

10

190

E 4 1 220

If the due date rule is used, what sequence should be used?

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