Note: There are no negative.

[Shameen Hosenbocus]

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The costs per day of reducing the duration of the activities are given in the 
table below. Write down the LP to be solved in order to minimize the total cost 
of completing the project within 20 days.    


Activity       Cost per day reducing          Max. possible reduction
                   duration of activity                in duration of activity

   A                 Rs 3000                                        2
   B                 Rs 1500                                        3
   C                 Rs 2000                                        1
   D                 Rs 4000                                        2
   E                 Rs 2000                                         2
   F                 Rs 3000                                         3
   G                 Rs 4000                                        1