Question: Problem 2 Developing aggregate plan The master scheduler of Southern Mechanics is making the aggregate planning of the 2014 first half for skateboard. The forecasted
Problem 2 Developing aggregate plan
The master scheduler of Southern Mechanics is making the aggregate planning of the 2014 first half for skateboard. The forecasted demand is as follows
Demand forecasting
Month
1
2
3
4
5
6
Total
Forecast
200
200
300
400
500
200
1,800
The current cost composition is as follows:
Output Regular time = $2 per skateboard
Overtime = $3 per skateboard
Subcontract = $6 per skateboard
Inventory = $1 per skateboard per month on average inventory
Back orders = $5 per skateboard per month
Southern Mechanics has capacity of outputing 300 skateboards per month . And the over time capacity is 80 and subcontracting capacity is 90. The initial inventory is zero and should have an ending inventory of zero in the last month.
When solving every subproblem, please use the conditions described above and in the subproblem. Do not use conditions described in other subproblems.
All solutions for the subproblems should be filled in the blank form given in Solution section. (if your choice is zero, please do not fill it in the form and just left blank):
Problem 2.1 please develop a new aggregate plan with less than $4640 total cost.
Problem 2.2 suppose Southern Mechanics has different demand forecast as follows:
Forecast
1
2
3
4
5
6
Total
1
100
300
300
400
500
200
1,800
2
150
150
400
400
500
200
1,800
3
200
150
350
400
500
200
1,800
4
150
200
350
400
500
200
1,800
5
200
200
250
450
500
200
1,800
6
200
250
250
400
500
200
1,800
7
200
200
250
400
500
250
1,800
8
150
200
300
400
500
250
1,800
9
150
150
300
450
500
250
1,800
10
150
150
350
450
500
200
1,800
11
150
150
350
400
550
200
1,800
12
150
150
350
400
500
250
1,800
13
150
150
400
400
500
200
1,800
14
150
150
300
450
550
200
1,800
15
200
200
250
400
500
250
1,800
16
200
200
350
350
500
200
1,800
17
200
200
350
400
450
200
1,800
18
200
250
300
400
450
200
1,800
19
200
250
300
400
500
150
1,800
20
200
250
350
350
500
150
1,800
Please develop aggregate plan.

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