Macpherson Refrigeration Limited
Short Description
Descripción: machperson...
Description
exhibit 1 Level production to meet peak demand month
december
production plan shipment forecast production plan shipments inventory extraordinary labor cost number of workers hirings layoffs workers month overtime cost of alternative 1 hirings cost layoffs cost inventory holding cost labor cost regular overtime
january
february
march
4400 8440 4400
4400 8440 4400
6000 8440 6000
240
4280
8320
10760
160
211 51 0 0
211 0 0 0
211 0 0 0
cost quantity total $ 1,800 51 $ 91,800 $ 1,200 0 $ $ 8 75000 $ 600,000 $ $
2,400 3,300
2532 $ 6,076,800 0 $ $ 6,768,600
april
may
june
july
august
septemberoctober
november
8000 8440 8000
6600 8440 6600
11800 8440 11800
13000 8440 13000
11200 8440 11200
10800 8440 10800
7600 8440 7600
6000 8440 6000
11200
13040
9680
5120
2360
0
840
3280
211 0 0 0
211 0 0 0
211 0 0 0
211 0 0 0
211 0 0 0
211 0 0 0
211 0 0 0
211 0 0 0
december totals
5600 8440 5600
95400 101280 95400
6120
75000
211 0 0 0
2532 51 0 0
exhibit 2 Chase production plan with constant workforce and overtime month
december
production plan shipment forecast production plan shipments inventory extraordinary labor cost number of workers hirings layoffs workers month overtime cost of alternative 1 hirings cost layoffs cost inventory holding cost labor cost regular overtime
january
february
march
4400 4160 4400
4400 4400 4400
6000 6000 6000
240
0
0
0
160
199 39 0 0
199 0 0 0
199 0 0 0
cost quantity total $ 1,800 39 $ 70,200 $ 1,200 0 $ $ 8 0 $ $ $
2,400 3,300
2388 $ 5,731,200 375 $ 1,237,500 $ 7,038,900
april
may
june
july
august
septemberoctober
november
8000 8000 8000
6600 6600 6600
11800 11800 11800
13000 13000 13000
11200 11200 11200
10800 10800 10800
7600 7600 7600
6000 6000 6000
0
0
0
0
0
0
0
0
199 0 0 1
199 0 0 0
199 0 0 96
199 0 0 126
199 0 0 81
199 0 0 71
199 0 0 0
199 0 0 0
7960
december totals
5600 5600 5600
95400 95160 95400
0
0
199 0 0 0
2388 39 0 375
exhibit 3 Chase production plan with varying workforce month
december
production plan shipment forecast production plan shipments inventory extraordinary labor cost number of workers hirings layoffs workers month overtime cost of alternative 1 hirings cost layoffs cost inventory holding cost labor cost regular overtime
january
february
march
4400 4160 4400
4400 4400 4400
6000 6000 6000
240
0
0
0
160
104 0 56 0
110 6 0 0
150 40 0 0
cost quantity total $ 1,800 256 $ 460,800 $ 1,200 276 $ 331,200 $ 8 0 $ $ $
2,400 3,300
2379 $ 5,709,600 0 $ $ 6,501,600
april
may
june
july
august
septemberoctober
november
8000 8000 8000
6600 6600 6600
11800 11800 11800
13000 13000 13000
11200 11200 11200
10800 10800 10800
7600 7600 7600
6000 6000 6000
0
0
0
0
0
0
0
0
200 50 0 0
165 0 35 0
295 130 0 0
325 30 0 0
280 0 45 0
270 0 10 0
190 0 80 0
150 0 40 0
december totals
5600 5600 5600
95400 95160 95400
0
0
140 0 10 0
2379 256 276 0
exhibit 4 Aggregate plan for macpherson refrigeration limited month
december
production plan shipment forecast production plan shipments inventory extraordinary labor cost number of workers hirings layoffs workers month overtime cost of alternative 1 hirings cost layoffs cost inventory holding cost labor cost regular overtime
january
february
march
4400 8000 4400
4400 8000 4400
6000 8000 6000
240
3840
7440
9440
160
200 40 0 0
200 0 0 0
200 0 0 0
cost quantity total $ 1,800 139 $ 250,200 $ 1,200 0 $ $ 8 11680 $ 93,440 $ $
2,400 3,300
2528 $ 6,067,200 0 $ $ 6,410,840
inventory no problem because low cost overtime allow, but in a little because lead to inefficiency hiring/layoff not allow, because it is complicated
april
may
june
july
august
8000 8000 8000
6600 8000 6600
11800 8000 11800
13000 8000 13000
11200 9160 11200
9440
10840
7040
2040
0
200 0 0 0
200 0 0 0
200 0 0 0
200 29 0 0
229 70 0 0
assumption there's no overtime, and layoff hiring 40 worker in the beginning all the production plan is in the maximal capacity (constant) remain inventory is no problem
result the production plan excees the shipment or forecast create a big inventory in the ending there's no cost for overtime and layoff e lead to inefficiencycost for hiring only in the beginning, for 40 worker only compare exhibit 1 exhibit 2 exhibit 3 Linda
total production plan total cost total inventory 101280 $ 6,768,600 75000 95160 $ 7,038,900 0 95160 $ 6,501,600 0 96000 $ 6,211,200 47400
september
october
november december totals
10800 11960 10800
7600 8000 7600
6000 8000 6000
5600 8000 5600
95400 101120 95400
1160
1560
3560
5960
11680
299 0 0 0
200 0 0 0
200 0 0 0
200 0 0 0
2528 139 0 0
total overtime 0 375 0 0
largest production, larger inventory, and quite expensive smaller production, many overtime, and the most expensive smaller production, no inventory, no overtime, and quite expensive larger production, large inventory, no overtime
e expensive efficiency, but create the largest inventory, and the cost is more expensive most expensive not efficiency because of overtime e, and quite expensive efficiency but still more expensive efficiency, although create a large inventory, but still create the cheapest cost
eapest cost
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