The investment value to be allocated on 3 subsidiaries is $980000. For each $1000 of investment the profit achieved is $200 in the first subsidiary, $300 in the second subsidiary and $250 in the third. The estimated profit will be achieved without exceeding $1300 of investment per $1000 of production in the first subsidiary, $1600 per $1000 of production in the second subsidiary and $1550 per $1000 of production in the third subsidiary. Production in each of the three subsidiaries is valued at: $300000 for the 1st subsidiary, $350000 for the 2nd subsidiary and $100000 for the 3rd subsidiary. The request is to optimally allocate the total investment fund on the three subsidiaries.