A company is managing a number of different projects as shown below. Labor hours, Revenue per project and Fixed Cost are

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A company is managing a number of different projects as shown
below. Labor hours, Revenue per project and Fixed Cost are shown in
the table below. The management target is to maximize the profit by
selecting the best combo of projects. However, there is one
limitation which is not to exceed the labor hours in each shift.
What is the total maximum profit?
Project
Labor hours in first shift
Labor hours in second shift
Revenue
Fixed Cost
A
16
11
10839
6239
B
3
8
12370
3865
C
18
15
13139
7282
D
8
10
10174
8869
E
6
5
8667
2912
Labor hours limit
33
40
20107
20117
20116
20165
21117