Pablo own small transportation firm in Latvia. His trucks delivers goods from three plants located in Riga, Sigulda and Jelgava to three warehouses located in Olaine, daži and Ogre. Transportation costs for one unit from Riga are: to Olaine 9 EUR, to Adazi 10 EUR, to Jelgava 9 EUR. From Sigulda: 13 EUR, 9 EUR, 14 EUR. From Ogre 11 EUR, 15 EUR, 6 EUR. Riga\'s supply is 10200 units, Sigulda\'s 15400 units, Ogre\'s 19800 units, Demand from Olaine is 15900 units, from Adazi 16600 units, from Jelgava is 12900 units. Create delivery plan, that minimize costs. (step by step please ) Solution Transportation costs for one unit in EUR so delivery plan, that minimize costs Step 1 : Riga supply 10200 units to Olaine Step 2 : Sigulda supply 15400 units to Adazi Step 3 : Orge supply 12900 units to Jelgava, 1200 units to Adazi and 5700 units to Olaine. Step 4 : minimize cost = 10200*9 + 15400*9 + 12900*6 + 1200*15 + 5700*11 = 91800+138600+77400+18000+62700 = 388500 EUR .