2. A local manufacturing firm produce four different metal product, each of
which mut be machined, polihed and aembled. The pecific time
requirement (in hour) for each product are a follow:
Machining,
hour
Polihing, hour
Aembling,
hour
Product I
3
1
2
Product II
2
1
1
Product III
2
2
2
Product IV
4
3
1
The firm ha available to it on weekly bai, 480 hour of machining time, 400 hour
of polihing time and 400 hour of aembling time. The unit profit on the product